Math Chapter Wise question with answer

Q01 A random variable χ χ χ has the probability distribution χ χ 1 2 3 4 5 6 7 8 P(χ χ χ) 0.15 0.23 0.12 0.10 0.20 0.08... English · EMRS PGT-2023 Q02 A continuous random variable X has a Probability density function of f(x) = 3x2, 0 ≤ x ≤ 1. If P (X ≤ 1) = P(X > >... English · OAVS TGT 2022 Q03 A continuous random variable x has a probability density function f(x)= 3x2, ≤ 0 x 1, then the value of 'a' such th... English · UPPSC Polytechnic Lecturer 2021 (I) Q04 Let X be a random variable having Poisson distribution. If P (x=2)=3P (x=4), then standard deviation of X is- English · UPPSC Polytechnic Lecturer 2021 (I) Q05 For a given probability distribution f(x) = 3 1,x = 0,1,2,3 x 8 for a random variable X, the moment generating func... English · Bihar (TRE 1.0) -2023 Q06 What is the second moment about the origin for a random variable X with probability density? f(x) = x, 0 < x < 2 2... English · Bihar (TRE 1.0) -2023