SOLVED: Suppose the random variable X can take on values −1, 0, and 1 with chance p^2 , ...

Suppose the random variable X can take on values −1, 0, and 1 with chance p^2 , 2p(1 − p) and (1-p)^2, respectively, for 0 ≤ p ≤ 1.
What is the expected value of X?

2p(1-p)

1-2p

p^2

0

Verified Answer

Correct Option - b

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Suppose the random variable X can take on values −1, 0, and 1 with chance p^2 , 2p(1 − p) and (1-p)^2, respectively, for 0 ≤ p ≤ 1.What is the expected value of X?

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Suppose the random variable X can take on values −1, 0, and 1 with chance p^2 , 2p(1 − p) and (1-p)^2, respectively, for 0 ≤ p ≤ 1.
What is the expected value of X?