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Let Z be a standard normal random variable and calculate the following probabili

ID: 3234448 • Letter: L

Question

Let Z be a standard normal random variable and calculate the following probabilities, drawing pictures wherever appropriate. (Round your answers to four decimal places.) (a) P(0 lessthanorequalto z lessthanorequalto 2.21) (b) P(0 lessthanorequalto z lessthanorequalto 1) (c) P(-2.20 lessthanorequalto Z lessthanorequalto 0) (d) P(-2.20 lessthanorequalto Z lessthanorequalto 2.20) (e) P(Z lessthanorequalto 1.04) (f) P(-1.75 lessthanorequalto Z) (g) P(-1.20 lessthanorequalto Z lessthanorequalto 2.00) (h) P(1.04 lessthanorequalto Z lessthanorequalto 2.50) (i) P(1.20

Explanation / Answer

a) 0.4864

b) 0.3413

c) 0.4861

d) 0.9722

e) 0.8508

f) 0.9599

g) 0.8622

h) 0.1430

i) 0.1151

j) 0.9876