Bimodal Normal Distribution Mixtures

normal distribution parameters

a

0.3

μ

1

1.

σ

1

1.

μ

2

-2.

σ

2

1.

axes limits

x axis min & max limits

10.

pdf axis max limit

0.3

This Demonstration shows how mixing two normal distributions can result in an apparently symmetric or asymmetric unimodal distribution or a clearly bimodal distribution, depending on the means, standard deviations, and weight fractions of the component distributions.