If the random variable Z has a standard normal distribution, then P(Z ≤ -1.37) is:
A)0.9147.
B)0.4147.
C)0.5016.
D)0.0853.

Name: If the random variable Z has a standard normal distribution, then P(Z ≤ -1.37) is: A)0.9147. B)0.4147. C)0.5016. D)0.0853.
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Question

Quizplus · Accepted Answer

Using a standard normal distribution table or calculator, we can find that the area to the left of -1.37 is 0.0853. Therefore, P(Z ≤ -1.37) is 0.0853 or 8.53%. Hence, the answer is D.

If the Random Variable Z Has a Standard Normal Distribution