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If Z Is a Standard Normal Random Variable, Find the Following

Question 57

Short Answer

If Z is a standard normal random variable, find the following probabilities.
a. P(Z≤2.33)P ( Z \leq 2.33 )
b. P(Z≥1.65)P ( Z \geq 1.65 )
c. P(−0.58≤Z≤1.58)P ( - 0.58 \leq Z \leq 1.58 )
d. P(Z≤−2.27)P ( Z \leq - 2.27 )

Correct Answer:

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a. 0.9901....

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