The amount of time adults spend watching television is closely monitored by firms because this helps to determine advertising pricing for commercials. Complete parts (a) through (d). ..... (a) Do you think the variable "weekly time spent watching television" would be normally distributed? If not, what shape would you expect the variable to have? A. The variable "weekly time spent watching television" is likely normally distributed. B. The variable "weekly time spent watching television" is likely symmetric, but not normally distributed. C. The variable "weekly time spent watching television" is likely uniform, not normally distributed. D. The variable "weekly time spent watching television" is likely skewed right, not normally distributed. E. The variable "weekly time spent watching television" is likely skewed left, not normally distributed. (b) According to a certain survey, adults spend 2.35 hours per day watching television on a weekday. Assume that the standard deviation for "time spent watching television on a weekday" is 1.93 hours. If a random sample of 40 adults is obtained, describe the sampling distribution of x, the mean amount of time spent watching television on a weekday. with u; = and o; =. (Round to six decimal places as needed.)
The amount of time adults spend watching television is closely monitored by firms because this helps to determine advertising pricing for commercials. Complete parts (a) through (d). ..... (a) Do you think the variable "weekly time spent watching television" would be normally distributed? If not, what shape would you expect the variable to have? A. The variable "weekly time spent watching television" is likely normally distributed. B. The variable "weekly time spent watching television" is likely symmetric, but not normally distributed. C. The variable "weekly time spent watching television" is likely uniform, not normally distributed. D. The variable "weekly time spent watching television" is likely skewed right, not normally distributed. E. The variable "weekly time spent watching television" is likely skewed left, not normally distributed. (b) According to a certain survey, adults spend 2.35 hours per day watching television on a weekday. Assume that the standard deviation for "time spent watching television on a weekday" is 1.93 hours. If a random sample of 40 adults is obtained, describe the sampling distribution of x, the mean amount of time spent watching television on a weekday. with u; = and o; =. (Round to six decimal places as needed.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![**The Amount of Time Adults Spend Watching Television**
Firms closely monitor the amount of time adults spend watching television, as this data helps determine advertising pricing for commercials. Complete parts (a) through (d).
---
**(a)** Do you think the variable "weekly time spent watching television" would be normally distributed? If not, what shape would you expect the variable to have?
- **A.** The variable "weekly time spent watching television" is likely normally distributed.
- **B.** The variable "weekly time spent watching television" is likely symmetric, but not normally distributed.
- **C.** The variable "weekly time spent watching television" is likely uniform, not normally distributed.
- **D.** The variable "weekly time spent watching television" is likely skewed right, not normally distributed.
- **E.** The variable "weekly time spent watching television" is likely skewed left, not normally distributed.
**(b)** According to a certain survey, adults spend 2.35 hours per day watching television on a weekday. Assume that the standard deviation for "time spent watching television on a weekday" is 1.93 hours. If a random sample of 40 adults is obtained, describe the sampling distribution of \( \bar{x} \).
\[
\bar{x} \text{ with } \mu_{\bar{x}} = \text{[ ]} \text{ and } \sigma_{\bar{x}} = \text{[ ]}.
\]
(Round to six decimal places as needed.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4e841e19-c051-43ae-acd9-e6c3266d15c7%2Fcd3bef34-ec71-4b4e-a8ae-e7571c11fc36%2F6njsg48_processed.png&w=3840&q=75)
Transcribed Image Text:**The Amount of Time Adults Spend Watching Television**
Firms closely monitor the amount of time adults spend watching television, as this data helps determine advertising pricing for commercials. Complete parts (a) through (d).
---
**(a)** Do you think the variable "weekly time spent watching television" would be normally distributed? If not, what shape would you expect the variable to have?
- **A.** The variable "weekly time spent watching television" is likely normally distributed.
- **B.** The variable "weekly time spent watching television" is likely symmetric, but not normally distributed.
- **C.** The variable "weekly time spent watching television" is likely uniform, not normally distributed.
- **D.** The variable "weekly time spent watching television" is likely skewed right, not normally distributed.
- **E.** The variable "weekly time spent watching television" is likely skewed left, not normally distributed.
**(b)** According to a certain survey, adults spend 2.35 hours per day watching television on a weekday. Assume that the standard deviation for "time spent watching television on a weekday" is 1.93 hours. If a random sample of 40 adults is obtained, describe the sampling distribution of \( \bar{x} \).
\[
\bar{x} \text{ with } \mu_{\bar{x}} = \text{[ ]} \text{ and } \sigma_{\bar{x}} = \text{[ ]}.
\]
(Round to six decimal places as needed.)
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman