# Statistics

The probability of a randomly selected car crashing during a year in a certain country is .0479. If a family has three cars, find the probability that at least one of them has a car crash during a year.

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posted by jiya
2. "At least one" = either 1, 2 or 3.

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.

for 1: .0479 * (1-.0479)^2 = ?

for 2: .0479^2 * (1-.0479) = ?

for 3: .0479^3 = ?

Either-or probabilities are found by adding the individual probabilities.

posted by PsyDAG

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