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If Ma n dN are any two events , the prob...

If `Ma n dN` are any two events , the probability that exactly one of them occur is a) `P(M)+P(N)-2P(MnnN)` b) `P(M)+P(N)-P(MnnN)` c) `P(M^c)+P(N^c)-2P(M^cnnN^c)` d) `P(MnnN^c)+P(M^cnnN)`

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