b. What is the probability that the sample proportion will be between 0.20 and 0.40 (to 4 decimals)? C. What is the probability that the sample proportion will be between 0.25 and 0.35 (to 4 decimals)?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
100%
Plz answer b and c parts in 20 minutes and gets thumb up
The president of Doerman Distributors, Inc., believes that 30% of the firm's orders come from first-time customers. A simple random sample of
100 orders will be used to estimate the proportion of first-time customers. Use z-table.
a. Assume that the president is correct and p = 0.30. What is the sampling distribution of p for this study?
Select your answer
b. What is the probability that the sample proportion will be between 0.20 and 0.40 (to 4 decimals)?
C. What is the probability that the sample proportion will be between 0.25 and 0.35 (to 4 decimals)?
Transcribed Image Text:The president of Doerman Distributors, Inc., believes that 30% of the firm's orders come from first-time customers. A simple random sample of 100 orders will be used to estimate the proportion of first-time customers. Use z-table. a. Assume that the president is correct and p = 0.30. What is the sampling distribution of p for this study? Select your answer b. What is the probability that the sample proportion will be between 0.20 and 0.40 (to 4 decimals)? C. What is the probability that the sample proportion will be between 0.25 and 0.35 (to 4 decimals)?
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
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 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…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
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
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman