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Find the square root of 133 and round to the nearest tenth. You must show the fraction you found before converting to a decimal.
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So your final answer is: 11.5325625946708 can be written as the fraction
11, -2479/-4656To the nearest 10th is ......................... give me a minute so that i can finish
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Probability and Inferential Statistics Analysis
1. A patient is classified as having gestational diabetes if their glucose level is above 140 milligrams per deciliter (mg ...
Probability and Inferential Statistics Analysis
1. A patient is classified as having gestational diabetes if their glucose level is above 140 milligrams per deciliter (mg/dl) one hour after a sugary drink is ingested. Rebecca's doctor is concerned that she may suffer from gestational diabetes. There is variation both in the actual glucose level and in the blood test that measures the level. Rebecca's measured glucose level one hour after ingesting the sugary drink varies according to the Normal distribution with ?= 140+X mg/dl and ? = X+1 mg/dl, where X is the last digit of your GCU student ID number. What is the probability of Rebecca being diagnosed with gestational diabetes if her glucose level is measured:
Once?
X+1 times, where X is the last digit of your student ID?
X+4 times, where X is the last digit of your student ID?
Comment on the relationship between the probabilities observed in (a), (b), and (c). Explain, using concepts from lecture why this occurs and what it means in context.
2. Suppose next that we have even less knowledge of our patient, and we are only given the accuracy of the blood test and prevalence of the disease in our population. We are told that the blood test is 9X percent reliable, gestational diabetes affects X+1 percent of the population in our patient’s age group, and that our test has a false positive rate of X+4 percent. Compute the following quantities based on this new information:
If 100,000 people take the blood test, how many people that test positive will actually have gestational diabetes?
What is the probability of having the disease given that you test positive?
If 100,000 people take the blood test, how many people that test negative despite actually having gestational diabetes?
What is the probability of having the disease given that you tested negative?
Comment on what you observe in the above computations. How does the prevalence of the disease affect whether the test can be trusted?
3. As we have seen in class, hypothesis testing and confidence intervals are the most common inferential tools used in statistics. Imagine that you have been tasked with designing an experiment to determine reliably if a patient should be diagnosed with diabetes based on their blood test results. Create a short outline of your experiment, including all of the following:
A detailed discussion of your experimental design.
How is randomization used in your sampling or assignment strategy?
The type of inferential test utilized in your experiment.
A formal statement of the null and alternative hypothesis for your test.
A confidence interval for estimating the parameter in your test.
An interpretation of your p-value and confidence interval, including what they mean in context of your experimental design
Statistics and Probability
Mrs. Schultzkie has to correct papers for three different classes: Algebra, Geometry, and Trig. If Mrs. Schultzkie corr ...
Statistics and Probability
Mrs. Schultzkie has to correct papers for three different classes: Algebra, Geometry, and Trig. If Mrs. Schultzkie corrects the papers for each class at random, what is the probability she corrects Algebra papers first? Write your answer as a fraction in the form a/b (for example 1/7, 3/91)An ice cream parlor has 30 flavors but Su likes only half of them. If the scooper makes a three-scoop ice cream cone at random (using three different flavors), What is the probability Su will like all three flavors? Write your answer as a fraction in the form a/b (for example 1/7, 3/91) Please reduce the fraction.Mr. and Mrs. Kappler bought ten books and plan to give one at random to each of their five kids. If there is only one such way to distribute the books that will make every kid happy with their book, what is the probability that every kid will be happy with his or her book? Write your answer as a fraction in the form a/b (for example 1/7, 3/91)Two cards are drawn at random from a standard deck of 52 cards, without replacement. What is the probability that both cards drawn are queens? Write your answer as a fraction in the form a/b (for example 1/7, 3/91). Reduce the fraction.From a group of 22 nurses, 4 are to be selected to present a list of grievances to management. One of the nurses is Ms. Smith. Find the probability that Ms. Smith will be among the 4 selects. Write your answer as a decimal.A Hand of 5 cards is dealt to each player from a deck of 52 cards. Find the probability that a hand contains only hearts. Round to the nearest thousandth. Write your answer as a fraction in the form a/b (for example 1/7, 3/91). Reduce the fraction.An elevator has 4 passengers and stops at 7 floors. It is equally likely that a person will get off at any one of the 7 floors. Find the probability that no 2 passengers leave at the same floor. Write your answer as a decimal.A jar contains 3 red, 2 blue, and 8 green marble. If two marbles are drawn at random from the jar and the first marble is not replaced before the second is drawn, what is the probability that the second is green? Write your answer as a decimal. Round your answer to the nearest thousandths.An ice cream parlor has 30 flavors but Su likes only half of them. If the scooper makes a three-scoop ice cream cone at random (using three different flavors), What is the probability Su will like at least one flavor? Write your answer as a decimal. Round your answer to the nearest thousandths.Of the 16 members of President first cabinet, 4 are women. Suppose that the president randomly selects 4 advisers from the cabinet for a meeting. Find the probability that the group of four would consist of at least 1 woman. Write your answer as a decimal. Round your answer to the nearest thousandths.
algebra part 1
Question 1 (5 points)
Simplify. Assume that no denominator is equal to zero.
Question 1 options:
Question 2 (5 points) ...
algebra part 1
Question 1 (5 points)
Simplify. Assume that no denominator is equal to zero.
Question 1 options:
Question 2 (5 points)
Find the first five terms of the sequence in which a1 = –10 and an = 4an – 1 + 7, if n ? 2.
Question 2 options:
–10, –33, –125, –493, –1965
–33, –125, –493, –1965, –7853
11, 15, 19, 23, 27
47, –10, –33, –125, –493
Question 3 (5 points)
Simplify the expression.
· Question 3 options:
255
Question 4 (5 points)
Simplify the expression.
10 + 7Question 4 options:
70
3
17
Question 5 (5 points)
Solve the equation of exponential decay.
The population of a city was 572,000 in 2010. In the 2000 census the population was 607,000. What was the rate of decrease of the population from one census to the next? Round to the nearest percent.Question 5 options:
8%
6%
3%
1%
Question 6 (5 points)
Simplify: 811/4.
Question 6 options:
3
4
12
Question 7 (5 points)
Simplify. Assume that no denominator is equal to zero.
Question 7 options:
Question 8 (5 points)
Write an equation for the nth term of the sequence 4, 12, 36, 108, ...
Question 8 options:
an = 4(3)n
an = 3(4)n
an = 4(3)n – 1
an = 3(4)n – 1
Question 9 (5 points)
Simplify the expression.
9(8 + 9)Question 9 options:
216 +
216 + 81
27 + 81
216 + 9
Question 10 (5 points)
Simplify. Assume that no denominator is equal to zero.
Question 10 options:
Question 11 (5 points)
Simplify the expression.
10 + 5 – 8 – 3 Question 11 options:
2 + 2
2 + 2
80 – 15
18 + 8
Question 12 (5 points)
Simplify. Assume that no denominator is equal to zero.
Question 12 options:
Question 13 (5 points)
Simplify: .
Question 13 options:
160
3
2
Question 14 (5 points)
Solve the equation of exponential decay.
The population of a city is expected to be 440,000 in 2020. This is a decline of 12% from 2010 to 2020. Assuming this continued what would the population of the city be in 2040? Round to the nearest ten thousand.Question 14 options:
340,000
300,000
390,000
410,000
Question 15 (5 points)
Simplify the expression.
Question 15 options:
Question 16 (5 points)
Find the first five terms of the sequence in which a1 = 6 and an = –3an – 1 – 12, if n ? 2.
Question 16 options:
–30, 78, –246, 726, –2190
6, –30, 78, –246, 726
6, 6, –30, 78, –246
–15, –18, –21, –24, –27
Question 17 (5 points)
Determine whether the data in the table display exponential behavior. Explain why or why not.
x
3
2
1
–1
y
8
2
0.5
0.125
Question 17 options:
No; the domain values are at regular intervals and the range values have a common factor 0.25.
No; the domain values are not at regular intervals although the range values have a common factor.
Yes; the domain values are at regular intervals and the range values have a common factor 4.
Yes; the domain values are at regular intervals and the range values have a common factor 0.25.
Question 18 (5 points)
Solve the equation of exponential decay.
A car sells for $25,000. If the rate of depreciation is 15%, what is the value of the car after 7 years? Round to the nearest hundred.Question 18 options:
$8,000
$9,400
$7,400
$9,800
Question 19 (5 points)
Simplify. Assume that no denominator is equal to zero.
Question 19 options:
Question 20 (5 points)
Simplify. Assume that no denominator is equal to zero.
(a5b3)(a3b5)Question 20 options:
a15b15
a15b8
a8b8
a8b15
Algebra Question
A delivery truck is transporting boxes of two sizes: large and small. The combined weight of a large box and a small box i ...
Algebra Question
A delivery truck is transporting boxes of two sizes: large and small. The combined weight of a large box and a small box is 90 pounds. The truck is transporting 55 large boxes and 50 small boxes. If the truck is carrying a total of 4775 pounds in boxes, how much does each type of box weigh?
GCU Statistics Whether Weight Differs by Sex Presentation
The Youth Risk Behavior Survey (YRBSS) is a national survey monitoring health behavior among youth and young adults. It is ...
GCU Statistics Whether Weight Differs by Sex Presentation
The Youth Risk Behavior Survey (YRBSS) is a national survey monitoring health behavior among youth and young adults. It is administered by the Centers for Disease Control and Prevention (CDC). For this assignment, use the "Youth Risk Behavior Surveillance System Dataset" provided to practice calculating and interpreting the t-test. Refer to the instructional videos in the topic resources and the Using and Interpreting Statistics: A Practical Text for the Behavioral, Social, and Health Sciences textbook as a guide.
Part 1
Refer to the topic resources to review the documentation, questionnaires, and general information pertaining to the YRBSS and YRBS. Then use the 2015 "Youth Risk Behavior Surveillance System Dataset" and conduct a two-sample t-test to determine if weight (in kg) differs by sex. Submit the SPSS output for the t-test.
Part 2
Create a PowerPoint presentation to discuss the findings for the t-test. For the presentation of your PowerPoint, use Loom to create a voice-over or a video. Refer to the topic resources for additional guidance on recording your presentation with Loom. Include an additional slide for the Loom link at the beginning and an additional slide for references at the end.
Include the following:
Identify which of three t-tests was selected and explain why this is the best statistical test and whether the assumptions were met.
What are the null and alternative hypotheses?
What is the decision rule?
What is the test statistic and p-value?
Interpretation of the t-test results (What was done? What was found? What does it mean? What suggestions are there for the creation of a health promotion intervention?).
Northwestern Technical College System of Equations Worksheet
Please fill out these system of equation assignments. Answer all questions fully and add units if needed
Northwestern Technical College System of Equations Worksheet
Please fill out these system of equation assignments. Answer all questions fully and add units if needed
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Probability and Inferential Statistics Analysis
1. A patient is classified as having gestational diabetes if their glucose level is above 140 milligrams per deciliter (mg ...
Probability and Inferential Statistics Analysis
1. A patient is classified as having gestational diabetes if their glucose level is above 140 milligrams per deciliter (mg/dl) one hour after a sugary drink is ingested. Rebecca's doctor is concerned that she may suffer from gestational diabetes. There is variation both in the actual glucose level and in the blood test that measures the level. Rebecca's measured glucose level one hour after ingesting the sugary drink varies according to the Normal distribution with ?= 140+X mg/dl and ? = X+1 mg/dl, where X is the last digit of your GCU student ID number. What is the probability of Rebecca being diagnosed with gestational diabetes if her glucose level is measured:
Once?
X+1 times, where X is the last digit of your student ID?
X+4 times, where X is the last digit of your student ID?
Comment on the relationship between the probabilities observed in (a), (b), and (c). Explain, using concepts from lecture why this occurs and what it means in context.
2. Suppose next that we have even less knowledge of our patient, and we are only given the accuracy of the blood test and prevalence of the disease in our population. We are told that the blood test is 9X percent reliable, gestational diabetes affects X+1 percent of the population in our patient’s age group, and that our test has a false positive rate of X+4 percent. Compute the following quantities based on this new information:
If 100,000 people take the blood test, how many people that test positive will actually have gestational diabetes?
What is the probability of having the disease given that you test positive?
If 100,000 people take the blood test, how many people that test negative despite actually having gestational diabetes?
What is the probability of having the disease given that you tested negative?
Comment on what you observe in the above computations. How does the prevalence of the disease affect whether the test can be trusted?
3. As we have seen in class, hypothesis testing and confidence intervals are the most common inferential tools used in statistics. Imagine that you have been tasked with designing an experiment to determine reliably if a patient should be diagnosed with diabetes based on their blood test results. Create a short outline of your experiment, including all of the following:
A detailed discussion of your experimental design.
How is randomization used in your sampling or assignment strategy?
The type of inferential test utilized in your experiment.
A formal statement of the null and alternative hypothesis for your test.
A confidence interval for estimating the parameter in your test.
An interpretation of your p-value and confidence interval, including what they mean in context of your experimental design
Statistics and Probability
Mrs. Schultzkie has to correct papers for three different classes: Algebra, Geometry, and Trig. If Mrs. Schultzkie corr ...
Statistics and Probability
Mrs. Schultzkie has to correct papers for three different classes: Algebra, Geometry, and Trig. If Mrs. Schultzkie corrects the papers for each class at random, what is the probability she corrects Algebra papers first? Write your answer as a fraction in the form a/b (for example 1/7, 3/91)An ice cream parlor has 30 flavors but Su likes only half of them. If the scooper makes a three-scoop ice cream cone at random (using three different flavors), What is the probability Su will like all three flavors? Write your answer as a fraction in the form a/b (for example 1/7, 3/91) Please reduce the fraction.Mr. and Mrs. Kappler bought ten books and plan to give one at random to each of their five kids. If there is only one such way to distribute the books that will make every kid happy with their book, what is the probability that every kid will be happy with his or her book? Write your answer as a fraction in the form a/b (for example 1/7, 3/91)Two cards are drawn at random from a standard deck of 52 cards, without replacement. What is the probability that both cards drawn are queens? Write your answer as a fraction in the form a/b (for example 1/7, 3/91). Reduce the fraction.From a group of 22 nurses, 4 are to be selected to present a list of grievances to management. One of the nurses is Ms. Smith. Find the probability that Ms. Smith will be among the 4 selects. Write your answer as a decimal.A Hand of 5 cards is dealt to each player from a deck of 52 cards. Find the probability that a hand contains only hearts. Round to the nearest thousandth. Write your answer as a fraction in the form a/b (for example 1/7, 3/91). Reduce the fraction.An elevator has 4 passengers and stops at 7 floors. It is equally likely that a person will get off at any one of the 7 floors. Find the probability that no 2 passengers leave at the same floor. Write your answer as a decimal.A jar contains 3 red, 2 blue, and 8 green marble. If two marbles are drawn at random from the jar and the first marble is not replaced before the second is drawn, what is the probability that the second is green? Write your answer as a decimal. Round your answer to the nearest thousandths.An ice cream parlor has 30 flavors but Su likes only half of them. If the scooper makes a three-scoop ice cream cone at random (using three different flavors), What is the probability Su will like at least one flavor? Write your answer as a decimal. Round your answer to the nearest thousandths.Of the 16 members of President first cabinet, 4 are women. Suppose that the president randomly selects 4 advisers from the cabinet for a meeting. Find the probability that the group of four would consist of at least 1 woman. Write your answer as a decimal. Round your answer to the nearest thousandths.
algebra part 1
Question 1 (5 points)
Simplify. Assume that no denominator is equal to zero.
Question 1 options:
Question 2 (5 points) ...
algebra part 1
Question 1 (5 points)
Simplify. Assume that no denominator is equal to zero.
Question 1 options:
Question 2 (5 points)
Find the first five terms of the sequence in which a1 = –10 and an = 4an – 1 + 7, if n ? 2.
Question 2 options:
–10, –33, –125, –493, –1965
–33, –125, –493, –1965, –7853
11, 15, 19, 23, 27
47, –10, –33, –125, –493
Question 3 (5 points)
Simplify the expression.
· Question 3 options:
255
Question 4 (5 points)
Simplify the expression.
10 + 7Question 4 options:
70
3
17
Question 5 (5 points)
Solve the equation of exponential decay.
The population of a city was 572,000 in 2010. In the 2000 census the population was 607,000. What was the rate of decrease of the population from one census to the next? Round to the nearest percent.Question 5 options:
8%
6%
3%
1%
Question 6 (5 points)
Simplify: 811/4.
Question 6 options:
3
4
12
Question 7 (5 points)
Simplify. Assume that no denominator is equal to zero.
Question 7 options:
Question 8 (5 points)
Write an equation for the nth term of the sequence 4, 12, 36, 108, ...
Question 8 options:
an = 4(3)n
an = 3(4)n
an = 4(3)n – 1
an = 3(4)n – 1
Question 9 (5 points)
Simplify the expression.
9(8 + 9)Question 9 options:
216 +
216 + 81
27 + 81
216 + 9
Question 10 (5 points)
Simplify. Assume that no denominator is equal to zero.
Question 10 options:
Question 11 (5 points)
Simplify the expression.
10 + 5 – 8 – 3 Question 11 options:
2 + 2
2 + 2
80 – 15
18 + 8
Question 12 (5 points)
Simplify. Assume that no denominator is equal to zero.
Question 12 options:
Question 13 (5 points)
Simplify: .
Question 13 options:
160
3
2
Question 14 (5 points)
Solve the equation of exponential decay.
The population of a city is expected to be 440,000 in 2020. This is a decline of 12% from 2010 to 2020. Assuming this continued what would the population of the city be in 2040? Round to the nearest ten thousand.Question 14 options:
340,000
300,000
390,000
410,000
Question 15 (5 points)
Simplify the expression.
Question 15 options:
Question 16 (5 points)
Find the first five terms of the sequence in which a1 = 6 and an = –3an – 1 – 12, if n ? 2.
Question 16 options:
–30, 78, –246, 726, –2190
6, –30, 78, –246, 726
6, 6, –30, 78, –246
–15, –18, –21, –24, –27
Question 17 (5 points)
Determine whether the data in the table display exponential behavior. Explain why or why not.
x
3
2
1
–1
y
8
2
0.5
0.125
Question 17 options:
No; the domain values are at regular intervals and the range values have a common factor 0.25.
No; the domain values are not at regular intervals although the range values have a common factor.
Yes; the domain values are at regular intervals and the range values have a common factor 4.
Yes; the domain values are at regular intervals and the range values have a common factor 0.25.
Question 18 (5 points)
Solve the equation of exponential decay.
A car sells for $25,000. If the rate of depreciation is 15%, what is the value of the car after 7 years? Round to the nearest hundred.Question 18 options:
$8,000
$9,400
$7,400
$9,800
Question 19 (5 points)
Simplify. Assume that no denominator is equal to zero.
Question 19 options:
Question 20 (5 points)
Simplify. Assume that no denominator is equal to zero.
(a5b3)(a3b5)Question 20 options:
a15b15
a15b8
a8b8
a8b15
Algebra Question
A delivery truck is transporting boxes of two sizes: large and small. The combined weight of a large box and a small box i ...
Algebra Question
A delivery truck is transporting boxes of two sizes: large and small. The combined weight of a large box and a small box is 90 pounds. The truck is transporting 55 large boxes and 50 small boxes. If the truck is carrying a total of 4775 pounds in boxes, how much does each type of box weigh?
GCU Statistics Whether Weight Differs by Sex Presentation
The Youth Risk Behavior Survey (YRBSS) is a national survey monitoring health behavior among youth and young adults. It is ...
GCU Statistics Whether Weight Differs by Sex Presentation
The Youth Risk Behavior Survey (YRBSS) is a national survey monitoring health behavior among youth and young adults. It is administered by the Centers for Disease Control and Prevention (CDC). For this assignment, use the "Youth Risk Behavior Surveillance System Dataset" provided to practice calculating and interpreting the t-test. Refer to the instructional videos in the topic resources and the Using and Interpreting Statistics: A Practical Text for the Behavioral, Social, and Health Sciences textbook as a guide.
Part 1
Refer to the topic resources to review the documentation, questionnaires, and general information pertaining to the YRBSS and YRBS. Then use the 2015 "Youth Risk Behavior Surveillance System Dataset" and conduct a two-sample t-test to determine if weight (in kg) differs by sex. Submit the SPSS output for the t-test.
Part 2
Create a PowerPoint presentation to discuss the findings for the t-test. For the presentation of your PowerPoint, use Loom to create a voice-over or a video. Refer to the topic resources for additional guidance on recording your presentation with Loom. Include an additional slide for the Loom link at the beginning and an additional slide for references at the end.
Include the following:
Identify which of three t-tests was selected and explain why this is the best statistical test and whether the assumptions were met.
What are the null and alternative hypotheses?
What is the decision rule?
What is the test statistic and p-value?
Interpretation of the t-test results (What was done? What was found? What does it mean? What suggestions are there for the creation of a health promotion intervention?).
Northwestern Technical College System of Equations Worksheet
Please fill out these system of equation assignments. Answer all questions fully and add units if needed
Northwestern Technical College System of Equations Worksheet
Please fill out these system of equation assignments. Answer all questions fully and add units if needed
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