SOLUTION: According to insurance records a car with a certain protection system will be recovered 86% of the time. If 500 cars are randomly selected, what is the mean and standard deviation
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Question 1155678: According to insurance records a car with a certain protection system will be recovered 86% of the time. If 500 cars are randomly selected, what is the mean and standard deviation of the number of cars recovered after being stolen?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
mean is np=0.86*500=430
variance is np(1-p)=430*0.14=60.2
sd is sqrt(V)=7.76
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