Answer
$\mu$ = 31.94
σ = 0.15
n=25
$Z_{0.99}$ = 2.33
s= 0.15/ $\sqrt{25}$ = 0.03
confidence interval
= 31.94 ± 0.03*2.33
= 31.94 ± 0.00699
=[31.87,32.01]
No adjustment required based on this sample due to the estimate interval for this sample is not exceed or below the limits given.
Work Step by Step
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