It has been reported that 2% of all cars on the highway are traveling at speeds more than 130 km/h

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It has been reported that 2% of all cars on the highway are traveling at speeds more than 130 km/h

It has been reported that 2% of all cars on the highway are traveling at speeds more than 130 km/h. If the speeds of six random cars are measured via radar, what is the probability that at least one car is going more than 130 km/h?

0.114
0.886
0.226
0.774

math Statistics-And-Probability

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Answer 1

Answer #1

P(speed of a single car is more than 130km/h)=0.02

n=6

P(atleast one car is going more than 130km/h)=1-P(no car is going more than 130km/h)

$\\ =1-(1-0.02)^6\\ \\ =0.1141576\\ \\ =0.114$

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Answer 2

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