How many investors use at least one kind of broker

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Question: INVESTING In a poll conducted among 200 active investors, it was found that 120 use discount brokers, 126 use fullservice brokers, and 64 use both discount and full-service brokers. How many investors

a. Use at least one kind of broker?

b. Use exactly one kind of broker?

c. Use only discount brokers?

d. Don't use a broker?

Reference no: EM131557576

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