Question

Using the data given below, determine whether it would unusual for a household to have no HD televisions.

The number of televisions (HD) per household in a small town
Televisions 0 1 2 3
Households 78 406 718 1399
P(x) 0.030 0.156 0.276 0.538

Choose the correct answer below
A. It would be unusual because the probability of having no HD televisions is less than 0.05.
B. It would not be unusual because the probability of having no HD televisions is more than 0.05.
C. It would not be unusual because 78 people have no HD televisions in the town.
D. It would be unusual because 78 people have no HD televisions in the town.

Answer 1

Answer: A. It would be unusual because the probability of having no HD televisions is less than 0.05.

Explanation:

We say a event is unusual if the probability of that event to get happen is less than 0.05.

From the table it is given that, the probability of having no HD televisions is 0.030 which is less than 0.05.

Therefore, It would be unusual for a household to have no HD televisions because the probability of having no HD televisions is less than 0.05.