Find the area under the normal distribution curve between z = 0.65 and z = 2.30.
A)0.247
B)0.242
C)0.731
D)0.489

Question

Quizplus · Accepted Answer

To find the area under the normal distribution curve between two z-scores, you subtract the area to the left of the lower z-score from the area to the left of the higher z-score. Looking up z = 0.65 in the standard normal distribution table gives an area of 0.7422 to the left, and z = 2.30 gives an area of 0.9893 to the left. Subtracting these values gives 0.9893 - 0.7422 = 0.247.

Find the Area Under the Normal Distribution Curve Between Z