SOLUTION: if x bar equals 75, S equals 24, and n equals 36, and assuming that the population is normally distributed, construct a 95% confidence interval estimate for the population mean.

Algebra ->  Probability-and-statistics -> SOLUTION: if x bar equals 75, S equals 24, and n equals 36, and assuming that the population is normally distributed, construct a 95% confidence interval estimate for the population mean.      Log On


   

Question 981147: if x bar equals 75, S equals 24, and n equals 36, and assuming that the population is normally distributed, construct a 95% confidence interval estimate for the population mean.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
SE=sigma%2Fsqrt%28N%29=24%2Fsqrt%2836%29=24%2F6=4
For 95%, z%5Bc%5D=1.96
So then,
75-1.96%284%29=67.16
75%2B1.96%284%29=82.84
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(67.16,82.84)