& Exit Submit my work mode : This shows what is correct or incorrect for the work you have completed so far. It does not indicate completion. Return to question Of 45 bank customers depositing a check, 16 received some cash back. (a) Construct a 90 percent confidence interval for the proportion of all depositors who ask for cash back. (Round your answers to 4 decimal places.) The 90% confidence interval is from to (b) May normality of p be assumed? Yes O No Next > 10 of 10 < Prev

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Of 45 bank customers depositing a check, 16 received some cash back.
(a) Construct a 90 percent confidence interval for the proportion of all depositors who ask for cash back. (Round
your answers to 4 decimal places.)
The 90% confidence interval is from
to
(b) May normality of p be assumed?
Yes
O No
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Transcribed Image Text:& Exit Submit my work mode : This shows what is correct or incorrect for the work you have completed so far. It does not indicate completion. Return to question Of 45 bank customers depositing a check, 16 received some cash back. (a) Construct a 90 percent confidence interval for the proportion of all depositors who ask for cash back. (Round your answers to 4 decimal places.) The 90% confidence interval is from to (b) May normality of p be assumed? Yes O No Next > 10 of 10 < Prev
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