Question

Pickup Trucks In a survey, 510 U.S. adults were asked whether they drive a pickup truck...

Pickup Trucks In a survey, 510 U.S. adults were asked whether they drive
a pickup truck and whether they drive a Ford. The results showed that
three in ten adults surveyed drive a Ford. Of the adults surveyed that drive
Fords, two in nine drive a pickup truck. Find the probability that a randomly
selected adult drives a Ford and drives a pickup truck.

Math   Statistics-And-Probability   
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Answer #1

Let the event “a randomly selected adult drives a Ford” as X.

It has been given that 3 in 10 adults drives a Ford.

Hence the probability that a randomly selected adult drives a Ford is P(X) =

Let the event that ' a randomly selected adult drives a pick-up truck' is Y

the probability that a randomly selected adult drives a pickup truck given that adult drives a Ford is

The probability that a randomly selected adult drives a Ford and drives a pickup truck.

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