Statistics from a Weather Centre Indicate That a Certain City $\overline{ y}$

Multiple Choice

Statistics from a weather centre indicate that a certain city receives an average of 23 inches of snow each year,with a standard deviation of 3 inches.Assume that a Normal model applies.A student lives in this city for 4 years.Let $\overline{ y}$ represent the mean amount of snow for those 4 years.Describe the sampling distribution model of this sample mean.

A) Binom(23,3)
B) N(23,1.5)
C) N(23,0.75)
D) N(23,3)
E) There is not enough information to describe the distribution.