When using your calculator to find the area under the standard Normal curve that corresponds to a particular z score

Question

When using your calculator to find the area under the standard Normal curve that corresponds to a particular z score < a,

Quizplus · Accepted Answer

The standard normal curve has a mean of 0 and a standard deviation of 1, so when finding the area under the curve for a particular z score, we need to use these values. The lower bound of the area corresponds to the z score, so it is not necessarily equal to a. Choice B is incorrect because it suggests the mean is 1, which is not true for the standard normal curve.

When Using Your Calculator to Find the Area Under the Standard