जॉइन Examsbookउत्तर : 2. "39/100"
The probability of occurance of two two events A and B are 1/4 and 1/2 respectively. The probability of their simultaneous occurrance is 7/50. Find the probability that neither A nor B occurs.5
प्र: The probability of occurance of two two events A and B are 1/4 and 1/2 respectively. The probability of their simultaneous occurrance is 7/50. Find the probability that neither A nor B occurs.
- 125/99false
- 239/100true
- 361/100false
- 417/100false
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उत्तर : 2. "39/100"
व्याख्या :
Answer: B) 39/100 Explanation: P ( neither A nor B) = PA and B = PA∩B= PA∪B= 1-PA∪B = 1-61100=39100
समान प्रश्न
Since Nithya and Suganya exchange places, so Rita’s new position is the same as Monika’s earlier position. This position is 17th from the right and 10th from the left. Therefore Number of girls in the row = (16 + 1 + 9) = 26.