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The average teachers 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 randomaly selected teacher makes less than $52,000 per year?

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3 answers

  1. Z = (score-mean)/SD

    Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to that Z score.

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  2. 0.2389

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  3. 0.2389

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