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Use the Normal approximation to Binomial to approximate the probability. Based on past experience a company determines that 7% of all luncheon vouchers are

Use the Normal approximation to Binomial to approximate the probability. Based on past experience a company determines that 7% of all luncheon vouchers are filled out incorrectly. If a random sample of 400 vouchers is selected, what is the approximate probability that at most 25 are filled out incorrectly?

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