This document provides a presentation on continuous random variables and variance. It discusses continuous random variables as having a range of real numbers and using a probability density function to determine probabilities from areas under the function. Variance is introduced as a topic without definition. The presentation concludes with thanks to the audience.

1. Abu Mohammad Fazlay Rabby
ID:152-33-2619
Sec-B
Presentation
on Continuous RV &
Variance

2. • Continuous Random Variables
• Variance
Contents

3. Continuous Random Variable
A CONTINUOUS random variable is a random variable with an interval of real
numbers for its range.
The probability density function f(x) of a continuous r.v. is used to determine
probabilities from areas as follows:

b
a
dxxfbXaP )()(

4. Example --------

5. Variance

6. What is Variance?

7. Example

8. Thankyou all for being with me.