When considering area under the standard normal curve, decide whether the area between $z=-1.5$ and $z=-1$ is bigger than, smaller than, or equal to the area between $\mathrm{z}=2$ and $\mathrm{z}=2.5$.
A) bigger than
B) smaller than
C) equal to

Question

Quizplus · Accepted Answer

The standard normal curve is symmetric around $z=0$. The area between $z=-1.5$ and $z=-1$ is larger because it is closer to the mean, where the curve is higher, compared to the area between $z=2$ and $z=2.5$, which is further in the tail where the curve is lower.

When Considering Area Under the Standard Normal Curve, Decide Whether z=−1.5z=-1.5z=−1.5

When Considering Area Under the Standard Normal Curve, Decide Whether $z=-1.5$