Of 54 bank customers depositing a check, 17 received some cash back. (a) Construct a 90 percent confidence interval for the proportion of all depositors who ask for cash back. (Round y decimal places.) The 90% confidence interval is from to

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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nt: Che X Question 10-8-3 Homework: Ch X
* Question 7-8-3 Homework_Cha X
heducation.com/ext/map/index.html?_con=con&externalLbrowser%3D0&launchUrl=https%253A%252F%252Fnewconnect.mheducatic
ork: Chapter 8 (Sections 8.4 through 8.6) 6
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Of 54 bank customers depositing a check, 17 received some cash back.
(a) Construct a 90 percent confidence interval for the proportion of all depositors who ask for cash back. (Round y
decimal places.)
to
The 90% confidence interval is from
(b) May normality of p be assumed?
Yes
O No
Transcribed Image Text:nt: Che X Question 10-8-3 Homework: Ch X * Question 7-8-3 Homework_Cha X heducation.com/ext/map/index.html?_con=con&externalLbrowser%3D0&launchUrl=https%253A%252F%252Fnewconnect.mheducatic ork: Chapter 8 (Sections 8.4 through 8.6) 6 Saved Of 54 bank customers depositing a check, 17 received some cash back. (a) Construct a 90 percent confidence interval for the proportion of all depositors who ask for cash back. (Round y decimal places.) to The 90% confidence interval is from (b) May normality of p be assumed? Yes O No
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