A group of 5,000 investors responded to a survey asking whether they o

Question

A group of 5,000 investors responded to a survey asking whether they owned stocks and whether they owned bonds. Of the group, 20 percent responded that they owned only one of the two types of investments. If r is the number of investors in the group who owned stocks but not bonds, which of the following represents the number of investors in the group who owned bonds but not stocks, in terms of r ?

A. 5,000 - r
B. 1,000 – r
C. r - 1,000
D. 1,000r
E. (0.2)(5,000 - r)

A. 5,000 - r
B. 1,000 – r
C. r - 1,000
D. 1,000r
E. (0.2)(5,000 - r)

Sajjad1994 · Answer

OE

Twenty percent of the 5,000 investors that responded to the survey said they owned either stocks or bonds, but not both. So the number of investors in that group is (0.20)(5,000), or 1,000. Given that r members of that group owned stocks but not bonds, the number of investors in that group who owned bonds but not stocks is 1,000 - r. Tus the correct answer is Choice B.

A group of 5,000 investors responded to a survey asking whether they o

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