Question 872380
For a sample of n = 75, find the probability of a sample mean being greater than 213 if μ = 212 and
σ = 6.1.
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z(213) = (213-212)/[6.1/sqrt(75)] = 1.4197
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Since the z-value is less than two 213 is not unusual.
Cheers,
Stan H.
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