Asked by Mark

A normal distribution has a mean of 44 and a standard deviation of 4.

What is the probability that a value drawn from the distribution lies between 36 and 48?

A)
0.18

B)
0.32

C)
0.82

D)
0.91
Answered by PsyDAG
Z = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability between the two Z scores.
Answered by jj
91
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