4. [-/10 Points] DETAILS ASWSBE14 11.TB.1.012. MY NOTE You may need to use the appropriate appendix table or technology

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4 10 Points Details Aswsbe14 11 Tb 1 012 My Note You May Need To Use The Appropriate Appendix Table Or Technology 1 (31.72 KiB) Viewed 25 times

4. [-/10 Points] DETAILS ASWSBE14 11.TB.1.012. MY NOTE You may need to use the appropriate appendix table or technology to answer this question. A random sample of 29 checking accounts at a bank showed an average daily balance of $480 with a standard deviation of $54. (a) Provide a 95% confidence interval estimate for the variance of the population in dollars2) of the checking accounts. (Round your answers to three decimal places.) dollars2 to dollars2 (b) Provide a 95% confidence interval estimate for the standard deviation (in dollars) of the population of the checking accounts. (Round your answers to two decimal places.) $ to $