In a survey of 200 employees of a company
regarding their 401(k) investments, the following data
were obtained:
141 had investments in stock funds.
91 had investments in bond funds.
60 had investments in money market funds.
47 had investments in stock funds and bond funds.
36 had investments in stock funds and money market
funds.
36 had investments in bond funds and money market
funds.
22 had investments in stock funds, bond funds, and
money market funds.

What is the probability that an employee of the company
chosen at random
a. Had investments in exactly two kinds of investment
funds?
b. Had investments in exactly one kind of investment
fund?
c. Had no investment in any of the three types of funds?

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