UPSC NDA II 2025 Mathematics Paper
© examsiri.com
Question : 109 of 120
Marks:
+1,
-0
An event X can happen with probability pand event Y can happen with probability q. Further, X and Y are independent events. Which of the following statements is/are correct?
1. The probability that exactly one of the events happens is p + q - pq
II. The probability that at least one of the events happens is p + q - 2pq
Select the answer using the code given below.
1. The probability that exactly one of the events happens is p + q - pq
II. The probability that at least one of the events happens is p + q - 2pq
Select the answer using the code given below.
Go to Question: