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The average teacher's salary in Connecticut (ranked first among states) is $57,337. Suppose that the distribution...

The average teacher's salary in Connecticut (ranked first among states) is $57,337. Suppose that the distribution of salaries is normal with a standard deviation of $7500.What is the probability that a randomly selected teacher makes less than $49,000 per year?

Math   Statistics-And-Probability   
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Answer #1

Let "X" be the average teacher's salary in Connecticut.

Refer Standard normal table/Z-table to find the probability or use excel formula "=NORM.S.DIST(-1.1116, TRUE)" to find the probability.

The probability that a randomly selected teacher makes less than $49,000 per year is

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