Solution Continuous Random Variable |Probability & Statistics for Engineers & Scientists by Walpole

Описание: The conceptual overview and problem solution have been illustrated in the form of this video. A concise representation and finding probabilities using the continuous random variables have been described. Also, it illustrates how to find the CDF from the given probability density function (PDF).

3.20 For the density function of Exercise 3.18, find
F(x), and use it to evaluate P(3 ≤ X less than 4).

18. A continuous random variable X that can assume values between x = 2 and x = 5 has a density function given by f(x) = 2(1 + x)/27. Find
(a) P(X less than 4);
(b) P(3 ≤ X 4).


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