Question: Given the information, n= 22 , x bar = 72.3 , and standard deviation = 6.4 (PLEASE SHOW HOW TO GET THE ANSWER USING THE

Given the information, n= 22 , x bar = 72.3 , and standard deviation = 6.4 (PLEASE SHOW HOW TO GET THE ANSWER USING THE CALCULATOR)

a) find the 90% confidence interval for u

b) find the 95% confidence interval for u

c) find the 99% confidence interval for u

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