The Mean Amount Spent by a Family of Four on Food

Multiple Choice

The mean amount spent by a family of four on food per month is $500 with a standard deviation of $75. Assuming that the food costs are normally distributed, what is the probability that a family spends less than $410 per month?

A) 0.2158
B) 0.8750
C) 0.0362
D) 0.1151