engineering recuitment GATE ME 2023-24 Test Series Mathematics Probability Mean and Variance of Random variables
The probability mass function P(x) of a discrete random variable X is given by P(x) = \(\frac{1}{ 2^x}\) , where x = 1, 2, ⋯ , ∞. The expected value of X is _______. [in integer]
Enter numerical value using the virtual keypad. Round off where necessary.