all GBUS280 Practice 2 1. Given a probability distribution function of X, how mu

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GBUS280 Practice 2 1. Given a probability distribution function of X, how much is P(X-0)? Name: 01, -2 P(X=x) | 0.05 |260 | 0.25 | 0.15 0.15 Please find the following probabilities. PlXc 3) 0.05+0.go to.e5 +0.15-1, Pa s xs 3 0,2t-0.0.yo 2. If roll 2 dice, how many total outcomes could be? Please give one example of an outcome you may draw graphs.. X 3. Suppose A - Red cards B-Black cards C-Spades D-Diamonds E-clubs F-hearts G= Jack H:Face cards D P(A) 2) P(H) 4) P(B and H) = 5) P(B and E) = 6) P(A and G) = 7) P( E or G) =

Explanation / Answer

P (X=0) = 1 - ( 0.05+0.25+0.15+0.15) = 1 - 0.60 =0.40

P (X=0) = 0.40

P(x<0)=P (X=-2) = 0.05

P(x3) = P (X=-2) + P (X=0) + P (X=1) +P (X=3) =0.05 + 0.40 + 0.25 + 0.15 = 0.85

P(1x3) = P (X=1) + P (X=3) = 0.25 + 0.15 = 0.40

P(1<x<3) = 0

P(x3) = P (X=3) + P (X=6) = 0.15 + 0.15 = 0.30

x -2 0 1 3 6 Total p(X=x) 0.05 0.25 0.15 0.15 1

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