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Mathematics, 27.12.2019 01:31 rehooreh14
The height, in inches, of a randomly chosen american woman is a normal random variable with mean μ = 64 and variance 2 = 7.84. (a) calculate the probability that the height of a randomly chosen woman is between 59.8 and 68.2 inches. (b) given that a randomly chosen woman is tall enough to be an astronaut (i. e., at least 59 inches tall), what is the conditional probability that she is at least 67 inches in height? (c) four women are chosen at random. calculate the probability that their total height is at least 260 inches. (d) suppose that z ∼ n(0, 1). prove that e(z19) = 0.
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The height, in inches, of a randomly chosen american woman is a normal random variable with mean μ =...
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