SOLUTION: Construct the confidence interval for the population mean u. c=0.90, x=15.5, s=7.0, and n=85

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Question 621432: Construct the confidence interval for the population mean u.
c=0.90, x=15.5, s=7.0, and n=85
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Construct the 90% confidence interval for the population mean u.

X  = 15.5

 s =7.0, and n=85

 ME = 1.645%2815.5%2Fsqrt%2885%29%29%29

  15.5 - ME < mu < 15.5 + ME