Question: a Given the following information determine the 98 confidence interval

a. Given the following information, determine the 98% confidence interval estimate of the population mean:


b. Repeat part (a) using a 95% confidence level.
c. Repeat part (a) using a 90% confidence level.
d. Review parts (a)–(c) and discusses the effect on the confidence interval estimator of decreasing the confidencelevel.
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  • CreatedFebruary 03, 2015
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