SOLUTION: According to insurance records, a car with a certain protection system will be recovered 88% of the time. If 500 stolen cars are randomly selected, what is the mean and standard de
Algebra.Com
Question 1155490: According to insurance records, a car with a certain protection system will be recovered 88% of the time. If 500 stolen 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 n*p=500*0.88=440 cars
variance is np(1-p)=440*0.15=66 cars^2
sd is sqrt(V)=8.12 cars
RELATED QUESTIONS
According to insurance records a car with a certain protection system will be recovered... (answered by Boreal)
According to insurance records a car with a certain protection system will be recovered... (answered by stanbon)
According to the police sources a car with a certain protection system will be recovered... (answered by stanbon)
Solve the problem.
According to police sources a car with a certain protection... (answered by stanbon)
according to police sources, a car with a certain protection system will be recovered 87% (answered by ewatrrr)
According to police sources, a car with a certain protection system will be recovered 90% (answered by VFBundy)
According to police sources, a car with a certain protection system will be recovered 94% (answered by Okamiden)
1. According to police sources, a car with a certain protection system will be recovered... (answered by ewatrrr)
According to police sources, a car with a certain protection system will be recovered 90% (answered by stanbon)