A grocery supplier believes that the mean number of broken eggs per dozen is 0.6, with a

Question:

A grocery supplier believes that the mean number of broken eggs per dozen is 0.6, with a standard deviation of 0.5. You buy 3 dozen eggs without checking them.
a) How many broken eggs do you expect to get?
b) What’s the standard deviation?
c) Is it necessary to assume the cartons of eggs are independent? Why?