brockmorrison1978 brockmorrison1978

15-04-2024
Mathematics

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Let X₁, ..., X₂₀ be independent normal random variables with mean 7 and unknown standard deviation. Find the value of k such that P(X – k(S/√n) < μ < X + k(s/√n)) = 0.99, where S as usual is the sample standard deviation.

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