According to a study, the proportion of people who are satisfied with the way things are going their lives is 0.78 Suppose that a random sample of 100 people is obtained Complete parts (a) through (e) below Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2) (FFF) UL The response is quantitative because ine number of people susted can be counted OD. The response is qualitative because the number of people satisfied can be counted (b) Explain why the sample proportion, p, is a random vanable. What is the source of the variability? OA. The sample proportion p is a random variable because the value of p represents a random person included in the sample. The variability is due to the fact that people may not be responding to the question truthfully. OB. The sample proportion p is a random variable because the value of p represents a random person included in the sample The variability is due to the fact that different people feel differently regarding their satisfaction C. The sample proportion p is a random variable because the value of p varies from sample to sample. The variability is due to the fact that different people feel differently regarding their satisfaction. OD. The sample proportion p is a random variable because the value of p varies from sample to sampe. The variability is due to the fact that people may not be responding to the question truthfully (c) Describe the sampling distribution of p, the proportion of people who are satisfied with the way things are going in their life Be sure to verify the model requirements 0.780 and 0.041 Since the sample size is no more than 5% of the population size and np(1 p)- 17.16010, the distribution of is approximately normal with p (Round to three decimal places as needed.) (d) In the sample obtained in part (a), what is the probability that the proportion who are satisfied with the way things are going in their life exceeds 0.817 The probability that proportion who are satisfied with the way things are going in their life excoeds 0.81 (Round to four decimal places as needed.)
According to a study, the proportion of people who are satisfied with the way things are going their lives is 0.78 Suppose that a random sample of 100 people is obtained Complete parts (a) through (e) below Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2) (FFF) UL The response is quantitative because ine number of people susted can be counted OD. The response is qualitative because the number of people satisfied can be counted (b) Explain why the sample proportion, p, is a random vanable. What is the source of the variability? OA. The sample proportion p is a random variable because the value of p represents a random person included in the sample. The variability is due to the fact that people may not be responding to the question truthfully. OB. The sample proportion p is a random variable because the value of p represents a random person included in the sample The variability is due to the fact that different people feel differently regarding their satisfaction C. The sample proportion p is a random variable because the value of p varies from sample to sample. The variability is due to the fact that different people feel differently regarding their satisfaction. OD. The sample proportion p is a random variable because the value of p varies from sample to sampe. The variability is due to the fact that people may not be responding to the question truthfully (c) Describe the sampling distribution of p, the proportion of people who are satisfied with the way things are going in their life Be sure to verify the model requirements 0.780 and 0.041 Since the sample size is no more than 5% of the population size and np(1 p)- 17.16010, the distribution of is approximately normal with p (Round to three decimal places as needed.) (d) In the sample obtained in part (a), what is the probability that the proportion who are satisfied with the way things are going in their life exceeds 0.817 The probability that proportion who are satisfied with the way things are going in their life excoeds 0.81 (Round to four 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
100%
I need help with D. Thank you.
Transcribed Image Text:According to a study, the proportion of people who are satisfied with the way things are going
their lives is 0.78 Suppose that a random sample of 100 people is obtained Complete parts (a) through (e) below.
Click here to view the standard normal distribution table (page 1).
Click here to view the standard normal distribution table (page 2)
US
The response is quantitative because ine number of peopic sausied can be counteu
OD. The response qualitative because the number of people satisfied can be counted.
(b) Explain why the sample proportion, p, is a random variable. What is the source of the variability?
OA. The sample proportion p is a random variable because the value of p represents a random person included in the sample The variability is due to the fact that people may not be responding to the question truthfully.
OB. The sample proportion p is a random variable because the value of p represents a random person included in the sample The variability is due to the fact that different people feel differently regarding their satisfaction
C. The sample proportion is a random variable because the value of p varies from sample to sample. The variability is due to the fact that different people feel differently regarding their satisfaction.
varies from sample to sample. The variability is due to the fact that people may not be responding to the question truthfully
OD. The sample proportion p is a random variable because the value of
(c) Describe the sampling distribution of p, the proportion of people who are satisfied with the way things are going in their life Be sure to verify the model requirements
Since the sample size is no more than 5% of the population size and np(1 p)- 17.16010, the distribution of is approximately normal with = 0.780 and 0.041
%-
(Round to three decimal places as needed.).
(d) In the sample obtained in part (a), what is the probability that the proportion who are satisfied with the way things are going in their life exceeds 0.81?
The probability that proportion who are satisfied with the way things are going in their life excoeds 0.81
(Round to four 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.
Step by step
Solved in 2 steps with 1 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