Assume the probability of a defective Firestone Tire is 0.0004. If the retail outlet store buys 120 Firestone tires, find the probability that they get at least 1 that is defective.

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The probability that a Firestone tire is defective is equal to 0.0004. The probability that it is not defective is equal to 1 - 0.0004 = 0.9996

If 120 tires are bought by the retail store the probability that at least one is defective is equal to 1 - (probability...

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The probability that a Firestone tire is defective is equal to 0.0004. The probability that it is not defective is equal to 1 - 0.0004 = 0.9996

If 120 tires are bought by the retail store the probability that at least one is defective is equal to 1 - (probability that none of them are defective) = 1 - 0.9996^120 = 0.0468

There is a 0.0468 probability that at least one of the tires bought is defective.

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