[Steps Shown] Suppose that, in a certain population, weights are distributed normal with μ = 150 lb and variance σ2 = 100 lb2 (note - 100 is the variance
Question: Suppose that, in a certain population, weights are distributed normal with μ = 150 lb and variance σ2 = 100 lb2 (note – 100 is the variance and is in units of lb squared) Give a symmetric interval, centered at the mean, within which 2/3 of all weights are found.
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