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ALEKS Statistics Random Variables and Distributions, Math Assignment Homework Help
I need someone to assist with Statistics in ALEKS through go to meeting. Price is negotiable.
ALEKS Statistics Random Variables and Distributions, Math Assignment Homework Help
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MATH 225N Chamberlain College of Nursing Week 4 Probability Discussion
Probability plays a major role in the medical community. Diagnoses are based on probabilities. They are really questions o ...
MATH 225N Chamberlain College of Nursing Week 4 Probability Discussion
Probability plays a major role in the medical community. Diagnoses are based on probabilities. They are really questions or "what if's", and are answered by the probability that the treatment will be the best for the ailment.
Let's look at probability in terms of both the real world and the medical community.
Survey 30 people to find out if they are left-handed or right-handed, and use the following chart to create a contingency table with the information.
Left handed Right handed Total Female Male Total
Answer the following questions about the information in your contingency table:
If a person is randomly selected from the survey participants, what is the probability that the person will be left-handed?
If you randomly choose a female from the people you surveyed, what is the probability that she is left-handed?
What is the odds ratio of choosing a left-handed female?
What is the relative risk of choosing a left-handed female?
Example
Green
Blue
Total
Cats
40 (A)
20 (B)
60 (A+B)
Dogs
30 (C)
40 (D)
70 (C+D)
Total
70 (A+C)
60 (B+D)
130 (A+B+C+D)
Probability of Green - (A+C)/(A+B+C+D): 70/130 = 0.54
Probability of Green Cat - A/(A+B): 40/60 = 0.67
Odds Ratio of Green Cat - (A/B)/(C/D) or AD/BC: (4040)/(2030) = 1600/600 = 2.67
Relative Risk of Green Cat - [A/(A+C)]/[B/(B+D)]: (40/70)/(20/60) = 1.71
Skim through at least one of the following articles on left-handed vs. right-handed people from the Chamberlain Library. Answer the following question: How do the probabilities and percentages for your study compare to those in the study you read?
https://search-proquest-com.chamberlainuniversity.idm.oclc.org/nahs/docview/211689160/DB2AB8D1E63B4638PQ/4?accountid=147674 (Links to an external site.)
https://search-proquest-com.chamberlainuniversity.idm.oclc.org/nahs/docview/1326739712/DB2AB8D1E63B4638PQ/10?accountid=147674 (Links to an external site.)
MA141 Grantham Week 7 Precalculus: Application Assignment Assignment
Week Seven – Application AssignmentAnswer the following questions in a Word document and upload the document to the appr ...
MA141 Grantham Week 7 Precalculus: Application Assignment Assignment
Week Seven – Application AssignmentAnswer the following questions in a Word document and upload the document to the appropriate drop box.1) A straight road rises at an inclination of 0.3 radian from the horizontal. Find the slope and change in elevation over a one-mile section of the road.2) In order to allow rain to run off of a road, they are often designed with parabolic surfaces in mind. Suppose a road is 32 feet wide and 0.4 foot higher in the center than it is on the sidea) Write an equation of the parabola with its vertex at the origin that models the road surface.b) How far from the center of the road is the road surface 0.2 feet lower than the center?3. A parabolic archway is 12 meters high at the vertex. At a height of 10 meters, the width of the archway is 8 meters. How wide is the archway at ground level?4) Halley’s comet follows an elliptical orbit with the sun as one of the foci. The eccentricity of the orbit is approximately 0.967. The length of the major axis of the orbit is approximately 35.88 astronomical units. (An astronomical unit is about 93 million miles.(a) Find an equation of the orbit. Let the origin represent the sun and use the x axis as the major axis.(b) Find the greatest and least distances (the aphelion and perihelion, respectively) from the sun’s center to the comet’s center.5) You and a friend live 4 miles apart. You hear the sound of thunder 18 seconds before your friend hears it. Assuming sound travels at 1100 feet per second, determine where the lightning occur?
Grossmont College Proportion & Probability Worksheet
Variables
Math: Math SAT score
Verbal: Verbal SAT score
Credits: Number of credits the student is registered for
...
Grossmont College Proportion & Probability Worksheet
Variables
Math: Math SAT score
Verbal: Verbal SAT score
Credits: Number of credits the student is registered for
Year: Year in college (1=Freshman, 2=Sophomore, 3=Junior, 4=Senior)
Exercise: Time (in minutes) spent exercising in a typical day
Sleep: Time (in hours) spent sleeping in a typical day
Veg: Are you a vegetarian (yes, no, some)
Cell: Do you own a smart phone (yes, no)
Data
If you have not done so already, download the cell-phones datafile. As always, if you are prompted to login, just close the prompt and continue with the download.
Upload the datafile into StatCrunch. Note: the symbol * in the spreadsheet indicates a missing value; this means that the associated individual did not answer the question.
Context
In 2015 college students at a large state university completed a survey about their academic and personal life. Questions ranged from "How many credits are you registered for this semester?" to "Would you define yourself as a vegetarian?"
The researcher randomly selected 325 students from the university; 312 responded to the survey.
Prompt
The cell-phone datafile is available in the Data section below.
Once again, here is the research question for this lab.
Based on a recent study, roughly 80% of college students in the U.S. own a smartphone. Is the proportion of smartphone owners lower at this university?
Respond to each of the following in your initial post.
State your hypotheses in symbolic form and in words. (The following should be clear in your answer: the population of interest and the meaning of the proportion p in terms of the variable Cell.)
StatCrunch uses a normal model to estimate the P-value probability. Verify that normality conditions are met.
Use StatCrunch to conduct the hypothesis test. (directions)
Copy and paste the results (the StatCrunch output window) into your initial post.
Give your P-value and interpret its meaning as a conditional probability.
State a conclusion that answers the research question. Use a significance level of 5%. (Your answer should include the P-value and reference the population and the variable Cell.)
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Most Popular Content
ALEKS Statistics Random Variables and Distributions, Math Assignment Homework Help
I need someone to assist with Statistics in ALEKS through go to meeting. Price is negotiable.
ALEKS Statistics Random Variables and Distributions, Math Assignment Homework Help
I need someone to assist with Statistics in ALEKS through go to meeting. Price is negotiable.
MATH 225N Chamberlain College of Nursing Week 4 Probability Discussion
Probability plays a major role in the medical community. Diagnoses are based on probabilities. They are really questions o ...
MATH 225N Chamberlain College of Nursing Week 4 Probability Discussion
Probability plays a major role in the medical community. Diagnoses are based on probabilities. They are really questions or "what if's", and are answered by the probability that the treatment will be the best for the ailment.
Let's look at probability in terms of both the real world and the medical community.
Survey 30 people to find out if they are left-handed or right-handed, and use the following chart to create a contingency table with the information.
Left handed Right handed Total Female Male Total
Answer the following questions about the information in your contingency table:
If a person is randomly selected from the survey participants, what is the probability that the person will be left-handed?
If you randomly choose a female from the people you surveyed, what is the probability that she is left-handed?
What is the odds ratio of choosing a left-handed female?
What is the relative risk of choosing a left-handed female?
Example
Green
Blue
Total
Cats
40 (A)
20 (B)
60 (A+B)
Dogs
30 (C)
40 (D)
70 (C+D)
Total
70 (A+C)
60 (B+D)
130 (A+B+C+D)
Probability of Green - (A+C)/(A+B+C+D): 70/130 = 0.54
Probability of Green Cat - A/(A+B): 40/60 = 0.67
Odds Ratio of Green Cat - (A/B)/(C/D) or AD/BC: (4040)/(2030) = 1600/600 = 2.67
Relative Risk of Green Cat - [A/(A+C)]/[B/(B+D)]: (40/70)/(20/60) = 1.71
Skim through at least one of the following articles on left-handed vs. right-handed people from the Chamberlain Library. Answer the following question: How do the probabilities and percentages for your study compare to those in the study you read?
https://search-proquest-com.chamberlainuniversity.idm.oclc.org/nahs/docview/211689160/DB2AB8D1E63B4638PQ/4?accountid=147674 (Links to an external site.)
https://search-proquest-com.chamberlainuniversity.idm.oclc.org/nahs/docview/1326739712/DB2AB8D1E63B4638PQ/10?accountid=147674 (Links to an external site.)
MA141 Grantham Week 7 Precalculus: Application Assignment Assignment
Week Seven – Application AssignmentAnswer the following questions in a Word document and upload the document to the appr ...
MA141 Grantham Week 7 Precalculus: Application Assignment Assignment
Week Seven – Application AssignmentAnswer the following questions in a Word document and upload the document to the appropriate drop box.1) A straight road rises at an inclination of 0.3 radian from the horizontal. Find the slope and change in elevation over a one-mile section of the road.2) In order to allow rain to run off of a road, they are often designed with parabolic surfaces in mind. Suppose a road is 32 feet wide and 0.4 foot higher in the center than it is on the sidea) Write an equation of the parabola with its vertex at the origin that models the road surface.b) How far from the center of the road is the road surface 0.2 feet lower than the center?3. A parabolic archway is 12 meters high at the vertex. At a height of 10 meters, the width of the archway is 8 meters. How wide is the archway at ground level?4) Halley’s comet follows an elliptical orbit with the sun as one of the foci. The eccentricity of the orbit is approximately 0.967. The length of the major axis of the orbit is approximately 35.88 astronomical units. (An astronomical unit is about 93 million miles.(a) Find an equation of the orbit. Let the origin represent the sun and use the x axis as the major axis.(b) Find the greatest and least distances (the aphelion and perihelion, respectively) from the sun’s center to the comet’s center.5) You and a friend live 4 miles apart. You hear the sound of thunder 18 seconds before your friend hears it. Assuming sound travels at 1100 feet per second, determine where the lightning occur?
Grossmont College Proportion & Probability Worksheet
Variables
Math: Math SAT score
Verbal: Verbal SAT score
Credits: Number of credits the student is registered for
...
Grossmont College Proportion & Probability Worksheet
Variables
Math: Math SAT score
Verbal: Verbal SAT score
Credits: Number of credits the student is registered for
Year: Year in college (1=Freshman, 2=Sophomore, 3=Junior, 4=Senior)
Exercise: Time (in minutes) spent exercising in a typical day
Sleep: Time (in hours) spent sleeping in a typical day
Veg: Are you a vegetarian (yes, no, some)
Cell: Do you own a smart phone (yes, no)
Data
If you have not done so already, download the cell-phones datafile. As always, if you are prompted to login, just close the prompt and continue with the download.
Upload the datafile into StatCrunch. Note: the symbol * in the spreadsheet indicates a missing value; this means that the associated individual did not answer the question.
Context
In 2015 college students at a large state university completed a survey about their academic and personal life. Questions ranged from "How many credits are you registered for this semester?" to "Would you define yourself as a vegetarian?"
The researcher randomly selected 325 students from the university; 312 responded to the survey.
Prompt
The cell-phone datafile is available in the Data section below.
Once again, here is the research question for this lab.
Based on a recent study, roughly 80% of college students in the U.S. own a smartphone. Is the proportion of smartphone owners lower at this university?
Respond to each of the following in your initial post.
State your hypotheses in symbolic form and in words. (The following should be clear in your answer: the population of interest and the meaning of the proportion p in terms of the variable Cell.)
StatCrunch uses a normal model to estimate the P-value probability. Verify that normality conditions are met.
Use StatCrunch to conduct the hypothesis test. (directions)
Copy and paste the results (the StatCrunch output window) into your initial post.
Give your P-value and interpret its meaning as a conditional probability.
State a conclusion that answers the research question. Use a significance level of 5%. (Your answer should include the P-value and reference the population and the variable Cell.)
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