Mathematics · Probability
The probability distribution of a random variable X is given below: P(X = 0) = 0.1, P(X = 1) = k, P(X = 2) = 2k, P(X = 3) = k, P(X = 4) = 0.1 where k is an unknown constant. The probability that the random variable X takes the value 2 is:
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