Probability when randomly selected

Reference no: EM1317603

A recent study of the hourly wages of maintenance crews for major airlines showed that the mean hourly salary was $16.50, with a standard deviation of $3.50. If we select a crew member at random, what is the probability the crew member earns:

(a) Between $16.50 and $20.00 per hour?

(b) More than $20.00 per hour?

Reference no: EM1317603

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