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The salary for workers at a company are normally distributed with a mean of $60,000 and a standard deviation of $9,000. A random sample of

The salary for workers at a company are normally distributed with a mean of $60,000 and a standard deviation of $9,000. A random sample of 36 employees was taken.

Find the probability that an employee selected at random makes under $75,000.

round to 4 d.p

Explain it clearly and need only typed answers Thank you

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