What is the probability that a random variable having a standard normal distribution is between .87 and 1.28?
A).0919
B).4100
C).6517
D).3483

Question

Quizplus · Accepted Answer

The probability that a random variable having a standard normal distribution is between .87 and 1.28 is the area under the normal curve between these two values. This area can be found using a standard normal distribution table or a calculator, and is equal to 0.0919.

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