It Is Believed That on Average, Households Spend $150 a Week

Multiple Choice

It is believed that on average, households spend $150 a week on groceries with a standard deviation of $50. What is the probability that in a sample of 64 households, the average amount spent on groceries will be no more than $140 per week?

A) 44.52%
B) 5.48%
C) 55.48%
D) 94.52%
E) 19.15%