Three students ran ½ mile around a track. The table below lists the time each student took to run around the track. Complete the table by calculating the average speed of each student in miles per hour.

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%