AP EAPCET 19-Aug-2021 Shift 2 Paper

Section: Mathematics

Question : 39 of 160

Marks: +1, -0

A discrete random variable X takes values 10,20,30 and 40, with probability 0.3,0.3,0.2,0.2 respectively. Then the expected value of X is ______

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X = 10	20	30	40
p = 0.3	0.3	0.2	0.2