A Report on Spending by Adults on Recreation Stated the Following

Multiple Choice

A report on spending by adults on recreation stated the following: At least 75 percent of the people in the survey spend between $750 and $1,250 per year. The report also said that at least 88 percent spend between $625 and $1,375 per year. Given this information, which of the following is most apt to be true?

A) The standard deviation is approximately $125.
B) The distribution of spending on recreation can be assumed to be bell-shaped.
C) The standard deviation is approximately $187.5.
D) The standard deviation is approximately $250.