The proportion of the area of the normal curve between 1.0$\sigma$ and 1.5$\sigma$ is ___________________the proportion between 0.5$\sigma$ and 1.0$\sigma$.
A) equal to
B) larger than
C) smaller than
D) unknown unless you know the size of the standard deviation.

Question

Quizplus · Accepted Answer

The normal distribution curve is symmetric, and as you move further from the mean, the area under the curve decreases. The area between 1.0σ and 1.5σ is smaller than the area between 0.5σ and 1.0σ.

The Proportion of the Area of the Normal Curve Between σ\sigmaσ

The Proportion of the Area of the Normal Curve Between $\sigma$