A discrete random variable X may take on three different values. One of them is 0, and it has probability 0.2. Two other values have probabilities 0.6 and 0.2. Also, it is known that E(X)=0 and Var(X)=9.6. Find the least possible value of random variable X.

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A discrete random variable X may take on three different values. One of them is 0, and it has probability 0.2. Two other values have probabilities 0.6 and
0.2. Also, it is known that E(X)=0 and Var(X)=9.6.
Find the least possible value of random variable X.
Transcribed Image Text:A discrete random variable X may take on three different values. One of them is 0, and it has probability 0.2. Two other values have probabilities 0.6 and 0.2. Also, it is known that E(X)=0 and Var(X)=9.6. Find the least possible value of random variable X.
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