Question: (i) Let Y be a random variable and Y N(50, 4). Find P(Y > 52). (ii) Let Z be a random variable and Z N(0,

(i) Let Y be a random variable and Y N(50, 4). Find P(Y > 52).

(ii) Let Z be a random variable and Z N(0, 1). Find P(Z < 1.55).

(iii) Let Z be a random variable and Z N(0, 1). Find P(1.55 < Z< 1.55).

(iv) Let Z be a random variable and Z N(0, 1). Find b such that P(Z > b) = 0.9925.

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