Suppose the average cost of a gallon of unleaded fuel at gas stations is $1.897.Assume that the standard deviation of such costs is $0.15.

Suppose a random sample of n = 100 gas stations is selected from the population and the cost per gallon of unleaded fuel is determined for each.

Consider the "sample mean cost per gallon". What is the approximate probability that the sample has a mean fuel cost between $1.90 and $1.92?

A.0.18

B.0.66

C.0.36

D.0.72