What is the probability that this mean will be

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Reference no: EM13241394

A nationally standardized test is scaled so that the normally distributed scores have a mean of 80 and a standard deviation of 10 in the population. If we have a group of 25 scores from this test, and compute the mean, what is the probability that this mean will be:

a. Below 82?

b. Below 76?

c. Above 80?

Reference no: EM13241394

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