Question

Select the correct answer
Probability distribution of random variable X is as given below
1
7
X = x
0
1
P(X = x)
15
Then E(X) is equal to
2
7
15
15
0 1
15
О
15
O 21
15
O None of these
Clear Response​

Answer 1

Answer:

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Explanation:

The probability distribution for a random variable describes how the probabilities are distributed over the values of the random variable. For a discrete random variable, x, the probability distribution is defined by a probability mass function, denoted by f(x).