7. Identify the mean and standard deviation of the graph. 59
71
83
95
107
119
131
mean = 95; standard deviation = 12
mean = 83; standard deviation = 12
mean = 83; standard deviation = 8
O
o
mean = 95; standard deviation = 8

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%