# Question: Find the following probabilities based on the standard normal variable

Find the following probabilities based on the standard normal variable Z.

a. P(-0.67 ≤ Z ≤ 20.23)

b. P (0 ≤ Z ≤ 1.96)

c. P(-1.28 ≤ Z ≤ 0)

d. P (Z <4.2)

a. P(-0.67 ≤ Z ≤ 20.23)

b. P (0 ≤ Z ≤ 1.96)

c. P(-1.28 ≤ Z ≤ 0)

d. P (Z <4.2)

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