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To find the y-intercept put the equation in slope-intercept form y=mx+b where b is the y-intercept. So move to terms and coefficients to reach that form. 13y=-3x+65 and y=-3/13x+5. So the y-intercept is 5
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MATH 122 CSU GLOBAL Analyzing Advertising Expenditure Paper
As a data scientist of a company, you want to analyze the following data collected by your company which relates the adver ...
MATH 122 CSU GLOBAL Analyzing Advertising Expenditure Paper
As a data scientist of a company, you want to analyze the following data collected by your company which relates the advertising expenditure A in thousands of dollars to total sales S in thousands of dollars. The following table shows this relationship:
Advertising Expenditure (A)
Total Sales (S)
36
335
37.5
341
38
342
38
342
41
345
42
350.2
43
360
Determine if the above relation (A, S) defines a function or not.
Using Excel, draw a scatter diagram of data. Click here (Links to an external site.)Links to an external site. for a video explanation on how to create a scatter plot and linear regression.
Using Excel, find the line of the best fit the models.
Add this line to the scatter diagram.
Interpret the slope and y-intercept of this equation.
Express this equation as a function S of A and find its domain.
Predict the sales if the advertising expenditure is $48000.
6 pages
MATH 2A SINGLE VARIABLE CALCULUS syllabus
Introduction to derivatives, calculation of derivatives of algebraic and trigonometric functions; applications including c ...
MATH 2A SINGLE VARIABLE CALCULUS syllabus
Introduction to derivatives, calculation of derivatives of algebraic and trigonometric functions; applications including curve sketching, related rates, and optimization. Exponential and logarithm functions. Prerequisite: Mathematics 2A placement via the Calculus Placement exam (fee required), or a grade of C or better in Mathematics 1B at UCI, or a score of 3 on the AP Calculus AB exam, or a score of 600 or higher on the Mathematics section of the SAT Reasoning Test
Statistics please check the file
Question 1Fifty chief executive officers of small to medium-sized companies were classified according to
their gender and ...
Statistics please check the file
Question 1Fifty chief executive officers of small to medium-sized companies were classified according to
their gender and functional background as shown in the table below:
Functional
Background
Male
Female
Total
Marketing
4
10
14
Finance
11
5
16
Operations
17
3
20
Total
32
18
50
If a chief executive is randomly selected from this group what is the probability that the
executive is a Male?
What is the probability that a randomly selected executive from this group is a male
whose functional background is Finance?
Assume that an executive is selected and you are told that the executive’s functional
background was in operations. What is the probability that his executive is a male?
Assume that an executive is selected and you are told that the executive is female. What
is the probability the executive’s functional area is marketing?
Are gender and functional background independent for this set of executives?
Question 2
A manufacturing firm has two suppliers for an electrical component used in its process: one in
Mexico and one in China. The supplier in Mexico ships 82% of all the electrical components
used by the firm and has a defect rate of 6%. The Chinese supplier ships 18% of the electrical
components used by the firm and has a defect rate of 4%.
a. Draw a tree diagram for this question.
b. Calculate the probability that an electrical component is defective.
c. Suppose an electrical component is defective. What is the probability that component
was shipped from Mexico?
Question 3
Given the following discrete probability distribution.
X
P(x)
50
0.2
65
0.15
70
0.25
75
0.05
90
?
Calculate the expected value of x.
Calculate the variance of x
Calculate the standard deviation of x.
Question 4
A survey by KRC Research for US News reported that 30% of people plan to spend more on
eating out after they retire. If ten people are randomly selected, then determine the
Expected number of people who plan to spend more on eating out after they retire.
Standard deviation of the individuals who plan to spend more on eating out after they
retire.
c. Probability that two or fewer in the sample indicate that they actually plan to spend more
on eating out after retirement.
Question 5
A global financial institution transfers a large data file every evening from offices around the
world to its London headquarters. Once the file is received, it must be cleaned and partitioned
before being stored in the company’s data warehouse. Each file is the same size and the time
required to transfer, clean, and partition a file is normally distributed, with mean of 1.5 hours and
a standard deviation of 15 minutes.
a. If one file is selected at random, what is the probability that it will take longer than 1 hour
and 45 minutes to transfer, clean, and partition the file?
b. If a manager must be present until 90% of the files are transferred, cleaned, and
partitioned, how long will the manager need to be there?
c. What percentage of the data files will take between 70 minutes and 110 minutes to be
transferred, cleaned, and partitioned?
Question 6
When only the value-added time is considered, the time it takes to build a laser printer is thought
to be uniformly distributed between 8 and 15 hours.
What are the chances that it will take more than 10 value-added hours to build a printer?
How likely is it that a printer will require less than 9 value-added hours?
c. Suppose a single customer orders two printers. Determine the probability that the first
and second printer each will require less than 9 value-added hours to complete.
systems of linear inequalities multiple , math homework help
Which of the following systems of inequalities has no solution?============================Which system of inequalities is ...
systems of linear inequalities multiple , math homework help
Which of the following systems of inequalities has no solution?============================Which system of inequalities is best represented by the graph?========================Which system of inequalities is best represented by the graph?=====================================Which graph shows the solution to the system of inequalities?y ≤ x + 9y ≥ -x - 4=================================Which system of inequalities is graphed below?--------------------------------------------------------------Which graph shows the solution to the system of inequalities shown below?==========================================Which of the following systems of inequalities has its solution shown on the graph below?=================================Which graph shows the solution to the system of inequalities below?===================================Which ordered pair is in the solution region of the system of inequalities below?(0, 0)(3, -1)(1, 1)(2, 1)==========================Which ordered pair is in the solution region of the system of inequalities below?(2, -2)(6, 3)(2, 0)(2, 4)==========================
Huskie Motor Corporation Case Report
Please read the attached case and prepare the case in about 2-3 pages. Please use trend line analytics in Tableau to forec ...
Huskie Motor Corporation Case Report
Please read the attached case and prepare the case in about 2-3 pages. Please use trend line analytics in Tableau to forecast the net sales and contribution margin for the next four quarters.
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Most Popular Content
5 pages
20190819033639week 3 Rop
Extra: How much more would it cost to increase Safety Stock to reach a 97% Service Level? To reach 99% Servic When demand ...
20190819033639week 3 Rop
Extra: How much more would it cost to increase Safety Stock to reach a 97% Service Level? To reach 99% Servic When demand is uncertain (always ) and ...
MATH 122 CSU GLOBAL Analyzing Advertising Expenditure Paper
As a data scientist of a company, you want to analyze the following data collected by your company which relates the adver ...
MATH 122 CSU GLOBAL Analyzing Advertising Expenditure Paper
As a data scientist of a company, you want to analyze the following data collected by your company which relates the advertising expenditure A in thousands of dollars to total sales S in thousands of dollars. The following table shows this relationship:
Advertising Expenditure (A)
Total Sales (S)
36
335
37.5
341
38
342
38
342
41
345
42
350.2
43
360
Determine if the above relation (A, S) defines a function or not.
Using Excel, draw a scatter diagram of data. Click here (Links to an external site.)Links to an external site. for a video explanation on how to create a scatter plot and linear regression.
Using Excel, find the line of the best fit the models.
Add this line to the scatter diagram.
Interpret the slope and y-intercept of this equation.
Express this equation as a function S of A and find its domain.
Predict the sales if the advertising expenditure is $48000.
6 pages
MATH 2A SINGLE VARIABLE CALCULUS syllabus
Introduction to derivatives, calculation of derivatives of algebraic and trigonometric functions; applications including c ...
MATH 2A SINGLE VARIABLE CALCULUS syllabus
Introduction to derivatives, calculation of derivatives of algebraic and trigonometric functions; applications including curve sketching, related rates, and optimization. Exponential and logarithm functions. Prerequisite: Mathematics 2A placement via the Calculus Placement exam (fee required), or a grade of C or better in Mathematics 1B at UCI, or a score of 3 on the AP Calculus AB exam, or a score of 600 or higher on the Mathematics section of the SAT Reasoning Test
Statistics please check the file
Question 1Fifty chief executive officers of small to medium-sized companies were classified according to
their gender and ...
Statistics please check the file
Question 1Fifty chief executive officers of small to medium-sized companies were classified according to
their gender and functional background as shown in the table below:
Functional
Background
Male
Female
Total
Marketing
4
10
14
Finance
11
5
16
Operations
17
3
20
Total
32
18
50
If a chief executive is randomly selected from this group what is the probability that the
executive is a Male?
What is the probability that a randomly selected executive from this group is a male
whose functional background is Finance?
Assume that an executive is selected and you are told that the executive’s functional
background was in operations. What is the probability that his executive is a male?
Assume that an executive is selected and you are told that the executive is female. What
is the probability the executive’s functional area is marketing?
Are gender and functional background independent for this set of executives?
Question 2
A manufacturing firm has two suppliers for an electrical component used in its process: one in
Mexico and one in China. The supplier in Mexico ships 82% of all the electrical components
used by the firm and has a defect rate of 6%. The Chinese supplier ships 18% of the electrical
components used by the firm and has a defect rate of 4%.
a. Draw a tree diagram for this question.
b. Calculate the probability that an electrical component is defective.
c. Suppose an electrical component is defective. What is the probability that component
was shipped from Mexico?
Question 3
Given the following discrete probability distribution.
X
P(x)
50
0.2
65
0.15
70
0.25
75
0.05
90
?
Calculate the expected value of x.
Calculate the variance of x
Calculate the standard deviation of x.
Question 4
A survey by KRC Research for US News reported that 30% of people plan to spend more on
eating out after they retire. If ten people are randomly selected, then determine the
Expected number of people who plan to spend more on eating out after they retire.
Standard deviation of the individuals who plan to spend more on eating out after they
retire.
c. Probability that two or fewer in the sample indicate that they actually plan to spend more
on eating out after retirement.
Question 5
A global financial institution transfers a large data file every evening from offices around the
world to its London headquarters. Once the file is received, it must be cleaned and partitioned
before being stored in the company’s data warehouse. Each file is the same size and the time
required to transfer, clean, and partition a file is normally distributed, with mean of 1.5 hours and
a standard deviation of 15 minutes.
a. If one file is selected at random, what is the probability that it will take longer than 1 hour
and 45 minutes to transfer, clean, and partition the file?
b. If a manager must be present until 90% of the files are transferred, cleaned, and
partitioned, how long will the manager need to be there?
c. What percentage of the data files will take between 70 minutes and 110 minutes to be
transferred, cleaned, and partitioned?
Question 6
When only the value-added time is considered, the time it takes to build a laser printer is thought
to be uniformly distributed between 8 and 15 hours.
What are the chances that it will take more than 10 value-added hours to build a printer?
How likely is it that a printer will require less than 9 value-added hours?
c. Suppose a single customer orders two printers. Determine the probability that the first
and second printer each will require less than 9 value-added hours to complete.
systems of linear inequalities multiple , math homework help
Which of the following systems of inequalities has no solution?============================Which system of inequalities is ...
systems of linear inequalities multiple , math homework help
Which of the following systems of inequalities has no solution?============================Which system of inequalities is best represented by the graph?========================Which system of inequalities is best represented by the graph?=====================================Which graph shows the solution to the system of inequalities?y ≤ x + 9y ≥ -x - 4=================================Which system of inequalities is graphed below?--------------------------------------------------------------Which graph shows the solution to the system of inequalities shown below?==========================================Which of the following systems of inequalities has its solution shown on the graph below?=================================Which graph shows the solution to the system of inequalities below?===================================Which ordered pair is in the solution region of the system of inequalities below?(0, 0)(3, -1)(1, 1)(2, 1)==========================Which ordered pair is in the solution region of the system of inequalities below?(2, -2)(6, 3)(2, 0)(2, 4)==========================
Huskie Motor Corporation Case Report
Please read the attached case and prepare the case in about 2-3 pages. Please use trend line analytics in Tableau to forec ...
Huskie Motor Corporation Case Report
Please read the attached case and prepare the case in about 2-3 pages. Please use trend line analytics in Tableau to forecast the net sales and contribution margin for the next four quarters.
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