In each case, use the information given to compute a confidence interval for the population mean ?. Assume that all necessary conditions are present for using the method described in Section...

In each case, use the information given to compute a confidence interval for the population mean ?. Assume that all necessary conditions are present for using the method described in Section 11.2. (Round your answers to two decimal places.)

(a)

x = 72, s = 7, n = 12,

95% confidence level

__to__

(b)

x = 72, s = 7, n = 12,

90% confidence level

___to___

(c)

x = 72, s = 7, n = 19,

90% confidence level

____to___

Jun 10, 2022

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In each case, use the information given to compute a confidence interval for the population mean ?. Assume that all necessary conditions are present for using the method described in Section...

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