Asked by Dorri
A random sample of 100 of a population Mean is 31 and standard deviation 22 Approximate probability of 28
Answers
Answered by
Reiny
z score = (28-31)/22 = -.136
from your table, (or whatever means)
prob (28) = .4458
from your table, (or whatever means)
prob (28) = .4458
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