The probability that a standard normal variable,Z,is between 1.50 and 2.10 is the same as the probability Z is between - 2.10 and - 1.50.

Name: The probability that a standard normal variable,Z,is between 1.50 and 2.10 is the same as the probability Z is between - 2.10 and - 1.50.
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Quizplus · Accepted Answer

This is true due to the symmetry property of the standard normal distribution. The area under the curve for values between 1.50 and 2.10 is equal to the area under the curve for values between -2.10 and -1.50.

The Probability That a Standard Normal Variable,Z,is Between 1