Interpret the Area under the Standard Normal Curve as a Probability
-Use the standard normal distribution to find $\mathrm { P } ( - 2.25

Question

Interpret the Area under the Standard Normal Curve as a Probability
-Use the standard normal distribution to find $\mathrm { P } ( - 2.25 < \mathrm { Z } < 1.25 )$.
A) $0.8822$
B) $0.0122$
C) $0.4878$
D) $0.8944$

Quizplus · Accepted Answer

The area under the standard normal curve between two z-scores represents the probability of a value falling within that range. Using a standard normal distribution table or calculator, the probability $ P(-2.25 < Z < 1.25) $ is found to be approximately 0.8822.

Interpret the Area Under the Standard Normal Curve as a Probability