Mathematics, 14.04.2020 22:23 payshencec21
In a poll conducted among 200 active investors, it was found that 120 use discount brokers, 126 use full-service 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?
Answers: 2
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In a poll conducted among 200 active investors, it was found that 120 use discount brokers, 126 use...
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