Suppose That the Distribution of Weekly Water Usage for Single-Family

Multiple Choice

Suppose that the distribution of weekly water usage for single-family homes in a particular city is mound shaped and approximately symmetric. The mean is 1,300 gallons, and the standard deviation is 200 gallons. ​
What is the approximate value of the 98th percentile?
​

A) 1,700 gallons
B) 1,100 gallons
C) 1,500 gallons
D) 1,900 gallons
E) 1,300 gallons