## How do you find the variance and standard deviation of a probability distribution?

Mean Variance Standard Deviation Probability Distribution –

## How do you find the variance of a probability distribution on a TI 84?

Elementary Statistics: Finding Std. Dev. and Variance of a Discrete

## How do you find the variance of a PDF?

Finding the mean and variance of a pdf –

## How do you find the variance of a probability distribution table?

**To calculate the Variance:**

- square each value and multiply by its probability.
- sum them up and we get Σx2p.
- then subtract the square of the Expected Value μ

## How do you find probability with mean and standard deviation?

Probability of z given mean and standard deviation –