A company pays its employees an average wage of $15.90 an hour with a standard deviation of $1.50. Wages are normally distributed and paid to the nearest cent. Find the probability that a randomly selected worker will receive a wage between $13.75 and $16.22 an hour.
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Step 1
First, we need to find the z-scores for the given wages. The z-score formula is: $z = \frac{x - \mu}{\sigma}$ where $x$ is the value, $\mu$ is the mean, and $\sigma$ is the standard deviation. Show more…
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