A small pouch contains 8 black marbles, 6 white marbles, and 12 red marbles Find the probability of picking a red then a black marble if you do not replace the first Marble

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%