For a random variable x, E(x) = 2, the value of the E(2x + 3) is _______.

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Solution

The correct option is A 7
$G i v e n :$
$E (x) = 2$
$t h e n$
$E (2 x + 3) = 2 (2) + 3$
$= 7$

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For a random variable x, E(x) = 2, the value of the E(2x + 3) is _______.

The correct option is A 7 Given: E(x)=2 then E(2x+3)=2(2)+3 =7

The correct option is A 7
$G i v e n :$
$E (x) = 2$
$t h e n$
$E (2 x + 3) = 2 (2) + 3$
$= 7$