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

MATLAB: An Introduction with Applications
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**8-3 Homework: Chapter 8 (Sections 8.4 through ...)**

**You received partial credit in the previous attempt.**

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 [   ].
Transcribed Image Text:**8-3 Homework: Chapter 8 (Sections 8.4 through ...)** **You received partial credit in the previous attempt.** 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 [ ].
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