According to Police Sources, a Car with a Certain Protection

question 41

Multiple Choice

According to police sources, a car with a certain protection system will be recovered 90% of the time. If 600 stolen cars are randomly selected, what is the mean and standard deviation of the number of cars recovered
After being stolen?

• A)mean: 540; standard deviation: 7.35
• B)mean: 540; standard deviation: 54
• C)mean: 306: standard deviation: 7.35
• D)mean: 306: standard deviation: 54

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