3. Assume X1, X2, X3, X4 is a random sample of size n = 4 from...
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3. Assume X1, X2, X3, X4 is a random sample of size n = 4 from the normal distribution N(75, 100). Compute (a) P(max X; <85) (b) P(60 < X1 < 80 and 75 < X3 <90) (c) E[XXX] (d) E[2X+3X2 + X3+X4] 3. Assume X1, X2, X3, X4 is a random sample of size n = 4 from the normal distribution N(75, 100). Compute (a) P(max X; <85) (b) P(60 < X1 < 80 and 75 < X3 <90) (c) E[XXX] (d) E[2X+3X2 + X3+X4]
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