Question 3. Let X be a discrete random variable with the following probability mass function (pm

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Madhur L · Answer

Hello students, here we have given the PMF that is probability mass function of the discrete ran

Adi S · Answer

part a we know summation i equal to 1 to n exi is equal to 1 so we let probability of x equal to

Adi S · Answer

In this question, for the first part, we have to find P of X is greater than minus 1 which is eq

Madhur L · Answer

Hello students in this question the value of x and corresponding probabilities of x are given th

Frank Deng · Answer

Now in this question, we look at a random variable, which has a cumulative distribution function

Question 3. Let X be a discrete random variable with the following probability mass function (pmf): x 0 1 2 4 P(X=x) 0.1 0.4 0.3 0.2 Find the following: (a) P(X = 3) (b) P(X ? 2.99) (c) The expected value of Y = (X-2)/2 (d) The cumulative distribution function (cdf) of X. Sketch also its graph.