The Profit Realized by the Sales of a Particular Item

Multiple Choice

The profit realized by the sales of a particular item follows a normal distribution with a mean of $0.5 million per quarter and a standard deviation of $0.1 million per quarter. What percent of the quarters can be expected to see a profit of at least $0.5 million?

A) 50%
B) 40%
C) 60%
D) 10%