If a sample has a mean of =20 and a standard error of =2 and the population mean is μ=18, what is the probability of scoring below that sample mean?

MATLAB: An Introduction with Applications
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If a sample has a mean of =20 and a standard error of =2 and the population mean is μ=18, what is the probability of scoring below that sample mean? (Hint: Use Standard Normal Distribution Table).

 

Expert Solution
Step 1: Given Information :

mean of=20

standard error =2

μ=18

We have to find the probability of scoring below that sample mean

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