Three persong P, Q and R independently try to hit a target. If the probabilities of their…
Mathematics · JEE Main · NTA Exams — Statistics and Probability
Three persong P, Q and R independently try to hit a target. If the probabilities of their hitting the target are \(\frac{3}{4}, \frac{1}{2} \text { and } \frac{5}{8}\) respectively, then the probability that the target is hit by P or Q but not R is:
- \(\frac{39}{64}\)
- \(\frac{21}{64}\)
- \(\frac{9}{64}\)
- \(\frac{15}{64}\)
Answer
(A) 39 64
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