Q1. Let X; and S be the mean and variance of independent random samples of size ni from populations with mean H; and variance of (i = 1,2), respectively where u, = 20. of = 9, n1 = 36 and u2 = 18, ož...


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Q1. Let X; and S be the mean and variance of independent random samples of size ni from<br>populations with mean H; and variance of (i = 1,2), respectively where u, = 20. of =<br>9, n1 = 36 and u2 = 18, ož = 16, n2 = 49. Find (-<br>a) P(X, > 20.98)<br>b) x such that P(X, < x) = 0.025)<br>c) P(S? > 12.8062)<br>d) si such that P(S} > s3) = 0.80<br>e) P(X1 – X2 > 0.2336)<br>n P(SE/S글 > 0.8368)<br>%3D<br>

Extracted text: Q1. Let X; and S be the mean and variance of independent random samples of size ni from populations with mean H; and variance of (i = 1,2), respectively where u, = 20. of = 9, n1 = 36 and u2 = 18, ož = 16, n2 = 49. Find (- a) P(X, > 20.98) b) x such that P(X, < x)="0.025)" c)="" p(s?=""> 12.8062) d) si such that P(S} > s3) = 0.80 e) P(X1 – X2 > 0.2336) n P(SE/S글 > 0.8368) %3D

Jun 01, 2022
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