[单选题]

Use the following data to answer Questions 15 through 17.
　 A study of hedge fund investors found that their annual household incomes are normally distributed with a mean of $175,000 and a standard deviation of $25,000.The percent of hedge fund investors that have incomes less than $100,000 is closest to:

A.0.05%.

B.0.10%.

C.0.13%.

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