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10 Of 41 bank customers depositing a check, 22 received some cash back. (a) Construct a 90 percent confidence interval for the proportion of all

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10 Of 41 bank customers depositing a check, 22 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 5 decimal places.) points The 90% confidence interval is from to (b) May normality of p be assumed? eBook Yes Ask ONO Print References

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