Question / Seventy percent of all vehicles examined at a certain emissions inspe

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Question / Seventy percent of all vehicles examined at a certain emissions inspection station pass the inspection. Not yet answered Assuming that successive vehicles pass or fail independently of one another, calculate the following Points out of 7.00 probability: P Flag question Answer Question 8 Seventy percent of all vehicles examined at a certain emissions inspection station pass the inspection Not yet answeredAssuming that successive vehicles pass or fail independently of one another, calculate the following Points out of 8.00 probability Flag question P(exactly one of the next three vehicles inspected passes) Answer:

Explanation / Answer

Ans 7

P(at least 1 failure) = 1 - P(all pass) = 1 - (0.7*0.7*0.7) = 1-0.343 = 0.657

Ans 8

P(exactly one of 3 pass) = C(3,1) *(0.7)*(0.3^2) = 0.189

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