Asked by Murry
A normal population has a mean of 62 and a standard deviation of 5. You select a sample of 40.
Compute the probability that the sample mean is Between 61 and 63?
Compute the probability that the sample mean is Between 61 and 63?
Answers
Answered by
PsyDAG
Z = (score-mean)/SEm
SEm = SD/√n
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability.
SEm = SD/√n
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability.
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