Question: If Z is a random variable having the standard normal distribution, find (a) P(Z < 1.33); (b) P(Z 0.79); (c) P(0.55 < Z

If Z is a random variable having the standard normal distribution, find
(a) P(Z < 1.33);
(b) P(Z ≥ – 0.79);
(c) P(0.55 < Z < 1.22);
(d) P(–1.90 ≤ Z ≤ 0.44).

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