Here Is the Distribution of Workers a Restaurant Keeps on Staff

Multiple Choice

Here is the distribution of workers a restaurant keeps on staff during a 1-hour shift.
-If the restaurant is open for 8 hours each day, what are the mean and standard deviation for the total number of workers in a day, respectively? (assume that the each hour is independent)

A) 37.2, 2.24
B) 36, 3.14
C) 36, 8.88
D) none of these
E) 37.2, 6.34