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Mathematics, 20.09.2020 16:01 hardwick744
We have 55 independent normal observations all with mean 100. The first 50 observations have variance 76.4, and the last five have variance 127. (a) Calculate the probability that the first observation X1 is between 98 and 103. (b) Calculate the probability that the average X¯ = 1 55 P55 i=1 Xi is between 98 and 103.
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We have 55 independent normal observations all with mean 100. The first 50 observations have varianc...
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