What is the probability of randomly selecting a z-score greater than z = 0.75 from a normal distribution?
A)0.7734
B)0.2266
C)0.2734
D)0.4532

Question

What is the probability of randomly selecting a z-score greater than z = 0.75 from a normal distribution?​
A)​0.7734
B)​0.2266
C)​0.2734
D)​0.4532

Quizplus · Accepted Answer

The area to the right of z = 0.75 is equal to the area under the standard normal distribution curve from z = 0.75 to positive infinity. Using a standard normal distribution table or a calculator with a normal distribution function, we find that this area is approximately 0.2266. Therefore, the probability of randomly selecting a z-score greater than z = 0.75 from a normal distribution is 0.2266 or 22.66%.

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