### Find the probability that exactly four people approve

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##### Reference no: EM13221671

According to the recent CNBC and the Wall Street Journal poll, 40% of the American public approves of the way the President of the United States is handling his job. Take a random sample of n = 10 Americans. And let X equal the number who gives approval.

(a) Find the probability that 3 or fewer people approve.

(b) Find the probability that exactly four people approve.

(c) Find the probability that 6 or more people approve.

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