Write the problem numbers beside the correct description 1.56 geometry problem(s)
1.57 age problem(s)
1.58 digit problem(s)
1.59 work problem(s)
1.60 coin problem(s)
1.61 mixture problem(s)

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%