Question
Of 43 bank customers depositing a check, 23 received some cash back. (a) Construct a 90 percent confidence interval for the proportion of all depositors
Of 43 bank customers depositing a check, 23 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 pbe assumed? multiple choice
- Yes
- No
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Business Statistics For Contemporary Decision Making
Authors: Black Ken
8th Edition
409
