MATH 1131-Let Y be a random variable and Y

(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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