Question: If Z has a standard normal distribution, determine (a) P(Z < .5), (b) P(Z < 1.2), (c) P(Z > 2.1), (d) P(.28 < Z <

If Z has a standard normal distribution, determine

(a) P(Z < −.5),

(b) P(Z < 1.2),

(c) P(Z > 2.1),

(d) P(−.28 < Z < .28).

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