Question: Problem 6.4 Let X1,...,Xn be iid N(2, 4) distributed random variables. (a) If n = 100 compute P(1.9 < X < 2.1). (b) How large

Problem 6.4 Let X1,...,Xn be iid N(2, 4) distributed random variables.

(a) If n = 100 compute P(1.9 < X < 2.1).

(b) How large must n be so that P(1.9 < X < 2.1) = 0.9?

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