Question: 2. (a) If 7 follows a t distribution with 8 degrees of freedom, find c such that P(|T| < c) = 0.9 (b). Assume

2. (a) If 7 follows a t distribution with 8 degrees of freedom, find c such that P(|T| < c) = 0.9 (b). Assume that X1, X2, X3, X4 are i.i.d. normal random variables N(0,9). Find the constant c such P(- X4 x + X + X

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