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L C9r1 si d

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L C9r1 si d .PmbAbi 1 ty. Pcnsity.F:Racti t.PDF.),Iablc..bclow. X Px 
2 14 a 6 1/8 8 !-- b 10 118 
Given that mem = 6, a) Compute the Variance b) Compute the Coefficient of variation 
2. If X — Binomial (9, 0.6) Compute the following, Use the Binomial Table if possible. 
i. P(x 5 4) ii. P(x ?_ 4) iii. P(x = 5) iv. P(x > 5) v. P(3 x vi. P(3< x _S-7) viii. P(3< x <7)