1.

records show that the probability is 0.00006 that a car will have a flat tire while driving through a certain tunnel find the probability that at least two of the 10000 cars passing through this tunnel will have flat tires

Answer»

The probability of atleast two CARS will have FLAT tires =
= 1 - prob of none or ONE CAR will have flat tires
= 1 - [ (0.99994)¹⁰⁰⁰⁰ + 0.00006×(0.99994)⁹⁹⁹⁹ ]

= 1 - 0.99994⁹⁹⁹⁹
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