Question

a) Let z be a random variable

with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) 

P(z ≥ 1.32) =  

b) Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) 

P(−1.20 ≤ z ≤ 2.72)

 =  

c) Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.)

P(−2.20 ≤ z ≤ −0.49) =

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