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For the three events A ,B ,a n dC ,P (ex...

For the three events `A ,B ,a n dC ,P` (exactly one of the events `AorB` occurs)`=P` (exactly one of the two evens `BorC` )`=P` (exactly one of the events `CorA` occurs)`=pa n dP` (all the three events occur simultaneously)`=p^2w h e r e 0 < p < 1//2.` Then the probability of at least one of the three events `A ,Ba n dC` occurring is a.`(3p+2p^2)/2` b. `(p+3p^2)/4` c. `(p+3p^2)/2` d. `(3p+2p^2)/4`

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