Q. 235.0( 2 Votes )

The probabilities of two students A and B coming to the school in time are 3/7 and 5/7 respectively. Assuming that the events, ‘A coming in time’ and ‘B coming in time’ are independent, find the probability of only one of them coming to the school in time. Write at least one advantage of coming to school in time.

Answer :

Given that A coming in time and B coming in time are independent.


Let A denote A coming in time


B denote B coming in time


denotes complementary event of A



denotes complementary event of B



P(only one coming in time)




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