Mathematics, 03.12.2019 04:31, destini69

Suppose that 40% of all u. s. employees contribute to a retirement plan (p = 0.40). (a) in a random sample of 100 employees, what is the approximate probability that at least half of those in the sample contribute to a retirement plan? (round your answer to four decimal places.)

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Suppose that 40% of all u. s. employees contribute to a retirement plan (p = 0.40). (a) in a random...