Discuss Forum
1. Three houses are available in a locality. Three persons apply for the houses. Each applies for one house without consulting others. The probability that all the three apply for the same house is -
- A. 1/9
- B. 1/9
- C. 1/9
- D. 1/9
Answer: Option A
Explanation:
One person can select one house out of 3 = 3C1 ways = 3.
Hence, three persons can select one house out of 3 in 3 x 3 x 3 = 9.
Therefore, the probability that all three apply for the same house is 1/9.
Hence, three persons can select one house out of 3 in 3 x 3 x 3 = 9.
Therefore, the probability that all three apply for the same house is 1/9.
Post your comments here: