SOLUTION: the mean number of pets is 2.96 with a standard deviation 1.4. a sample of 52 households is drawn. find the 74th percentile of the sample mean.
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Question 1040708: the mean number of pets is 2.96 with a standard deviation 1.4. a sample of 52 households is drawn. find the 74th percentile of the sample mean. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! the mean number of pets is 2.96 with a standard deviation 1.4. a sample of 52 households is drawn. find the 74th percentile of the sample mean.
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Find the z-value with a left tail of 0.74
invNorm(0.74) = 0.6433
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Find the corresponding raw score value::
x = z*s + u
x = 0.6433*1.4 + 2.96
x = 3.86
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Cheers,
Stan H.
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