Me guys

1.what is the probability that a passenger is traveling for business ?

2.given a passenger did not check their bag, what is the probability that the passenger is traveling for business ?

1. .21

2. .79

Step-by-step explanation:

1. 103/490

2. 387/490

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0

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