The probability that a house in an urban area will be burglarized is 5%. If 20 houses are randomly selected, what is the mean of the number of houses burglarized?
A)1
B)10
C)0.5
D)1.5

Question

Quizplus · Accepted Answer

The mean of a binomial distribution is equal to the product of the number of trials and the probability of success. In this case, the number of trials is 20 and the probability of success is 0.05, so the mean is 20 * 0.05 = 1.

The Probability That a House in an Urban Area Will