# Cumulative Distribution and Probability Density Function and Expected Value

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1. Let X be a continuous random variable, with

P(X>x) = (1-x)^2 0≤x≤1

(i) Find the cumulative distribution function of X.

(ii) Find the probability density function of X.

(iii) Find the expected value of X.

https://brainmass.com/statistics/cumulative-distribution-function/cumulative-distribution-probability-density-function-expected-value-36888

#### Solution Preview

(i) since the cumulative distribution function (cdf) is the probability that the variable takes a value less than or equal to x. That is ...

#### Solution Summary

Cumulative Distribution and Probability Density Functions and Expected Values are investigated. The solution is detailed and well presented. The response received a rating of "5" from the student who originally posted the question.

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