It is estimated that 30% of households own a riding lawn mower. A sample of 17households is studied. What is the mean number of households who own a ridingmower?
A)17
B)5.1
C)3.57
D)1.8894

Question

Quizplus · Accepted Answer

The mean number of households owning a riding mower can be found by multiplying the total number of households in the sample (17) by the probability that any given household owns a riding mower (0.30). Thus, the mean is 17 * 0.30 = 5.1.

It Is Estimated That 30% of Households Own a Riding