Are the events fatal crash and van independent? Independent Dependent (g) Suppos

Question

Are the events fatal crash and van independent?

Independent

Dependent

(g) Suppose two crashes are selected at random. What is the probability (±0.0001) that both were fatal and involved an unknown type of vehicle?

P(Both fatal and unknown vehicle) = ×10-7

Are the events fatal crash and van independent?

Independent

Dependent

(g) Suppose two crashes are selected at random. What is the probability (±0.0001) that both were fatal and involved an unknown type of vehicle?

P(Both fatal and unknown vehicle) = ×10-7

Explanation / Answer

Are the events fatal crash and van independent?

dependent because there is an intersection between the 2 events

Suppose two crashes are selected at random. What is the probability (±0.0001) that both were fatal and involved an unknown type of vehicle?

p = 6282 / 19863 =0.3163

Probability = 0.3163 * 0.3163 = 0.1000

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