The probability mass function of X is Then Var(X + 5) is (a) 0.1 (b) 0.2 (c) 0.3 (d) 0.4 (e) None of the above x 1 p(x) 0.10 2 0.80 3 0.10

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A:

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A:

Q: [1] The probability density function of a random variable X is = {c(x+4), -4 4.

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A: It is an important part of statistics. It is widely used.

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A: Introduction :Here we have ,