NDA 2025 Mathematics question
An event can happen with probability and event can happen with probability . Further, and are independent events. Which of the following statements is/are correct? I. The probability that exactly one of the events happens is . II. The probability that at least one of the events happens is . Select the answer using the code given below.
Answer: (D)
Solution
Since and are independent, . Exactly one happens: . At least one
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