(Answered) A survey of 200 college graduates who have been working for

Statistics

A survey of 200 college graduates who have been working for at least 3 years found that 90 owned only mutual funds, 20 owned only stocks, and 70 owned both.

a. What is the probability that an individual owns a stock? A mutual fund?

b. What is the probability that an individual owns neither stocks nor mutuals funds?

c. What is the probability that an individual owns either a stock or a mutual fund?

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