Abu Mohammad Fazlay RabbyID:152-33-2619Sec-B

Presentation on Continuous RV & Variance

• Continuous Random Variables • Variance

Contents

Continuous Random VariableA 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 )()(

Example --------

Variance

What is Variance?

Example

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