Mathematics, 25.02.2020 22:55 hellodarkness14
From each of two normal populations with identical means and with standard deviations of 6.40 and 7.20, independent random samples of 64 observations are drawn. Find the probability that the difference between the means of the samples exceeds 0.6 in absolute value. math. stackexchange
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From each of two normal populations with identical means and with standard deviations of 6.40 and 7....
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