Question 2 a) Describe a discrete random variable. b) The random variable X has p.m.f, P(X= x) as shown in the table: X

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Question 2 A Describe A Discrete Random Variable B The Random Variable X Has P M F P X X As Shown In The Table X 1 (56.3 KiB) Viewed 18 times

Question 2 a) Describe a discrete random variable. b) The random variable X has p.m.f, P(X= x) as shown in the table: X -2 -1 0 1 C P(X=x) 0.1 0.3 0.4 0.1 Find the value of c if: i) E(X) = 0.3, ii) E(X²) = 1.8. A random variable X~ B(15, 0.35). Determine each of the following, i) P(X = 8) ii) P(X < 7) iii) P(X> 9) iv) P(5 < X < 10) c) 0.1