In a survey 3 of 4 students said the court show too much

Reference no: EM13631540

1) In a survey, 3 of 4 students said the court show "too much concern" for the criminals. Find the probability that AT MOST 3 out of 7 randomly selected students will agree with this statement.

2) In 2010 almost 15 million U.S. workers belonged to trade unions, constituting 11.9% of the total labor force. Choose 15 U.S. workers at random. What is the probability that exactly one-third of them belong to a trade union? At least one third? What is the probability that at least 9 did not belong?

Reference no: EM13631540

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