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
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)
10th Edition
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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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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