In a survey of the number of DVDs in a house, the table shows the probabilities.
-Find the probability of a house having 1 or 2 DVDs.
A)0.57
B)0.83
C)0.95
D)0.38

Question

In a survey of the number of DVDs in a house, the table shows the probabilities. 
-Find the probability of a house having 1 or 2 DVDs.
A)0.57 
B)0.83 
C)0.95 
D)0.38

Quizplus · Accepted Answer

To find the probability of a house having 1 or 2 DVDs, we add the probabilities of P(1 DVD) and P(2 DVDs).

P(1 or 2 DVDs) = P(1 DVD) + P(2 DVDs) 
= 0.32 + 0.25 
= 0.57

Therefore, the probability of a house having 1 or 2 DVDs is 0.57, which corresponds to choice A.

In a Survey of the Number of DVDs in a House