Not going to give away how much points im giving because le point theifs might come but please assist me. ((B. TW the horizantal line is always labeled offense

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%