8 5 points A group of investors bas been classified accordin

8. (5 points) A group of investors bas been classified according to whether they own stocks (S), bonds (B), or mutual funds (M). The results are presented in the diagram below. Bow many own exactly one of these three types of investments or do not own both stocks and bonds.

Solution

Total number of investors = 1+8+32+2+16+128+64+4 = 255 investors

Investors owning only one of the assets = 1 + 8 + 32 = 41

People owning both stock and bonds = 16

People not owning both = 255 - 16 = 239

The union of both the conditions will also be 239

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