The heights of adult American men can be modeled by a normal distribution with mean μ = 69 inches and standard deviation σ = 2.5 inches.  What height is at the 84th percentile of the distribution?

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Q: The heights of adult American men can be modeled by a normal distribution with mean μ = 69 inches…

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A: given data σ = 1.5claim : μ<15.3n = 41x¯ = 14.7α = 0.01

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Q: Suppose X-N(5,1), find: (a) P(X < 2.5) (b) P(X ≥ 4.6) (c) P(|X| ≥ 3)

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