Statistic Question

Question

In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. The mean is $15 and the standard deviation is $3. What percentage of temporary workers earn less than $12 per hour?

A.6%

B.16%

C.26%

D.36%

Answer 1

B. 16%.

The z score is -1

(12-15)/3 = -1.

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