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The probabilities of two students A and ...

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.

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The correct Answer is:
`(26)/(49)`
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ACCURATE PUBLICATION-PROBABILITY -Questions Carrying Type - 4 marks
  1. For two events A and B, let P(A)=0.4 and P(B)=p and P(AuuB)=0.6 (i) ...

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  2. An urn contains 4 red and 7 blue balls . Two balls are drawn at random...

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  3. The probabilities of two students A and B coming to the school in time...

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  4. Rishav and Mahesh appeared for an interview. The probability of their ...

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  5. A speaks truth in 75% of cases and B in 80% of cases. The percentage o...

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  6. A speaks truth in 70% of the cases and B in 80% of the cases. In what ...

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  7. Probability of A, B and C of solving a problem are (1)/(5), (1)/(6) an...

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  8. The probability of A hitting a target is 4/5 and that of B hitting it ...

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  9. Probability of solving specific problem independently by A and B are 1...

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  10. A and B toss a coin alternately till one of them tosses a head and win...

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  11. A and B throw two dice simultaneously turn by turn. A will win if he t...

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  12. An urn contains 5 red and 5 black balls. A ball is drawn at random, it...

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  13. There are two bags I and II. Bag I contains 4 white and 3 red balls wh...

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  14. There are two bags I and II . Bag I contains 3 white and 2 red balls a...

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  15. Bag I contains 4 red and 5 black balls and bag II contains 3 red and 4...

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  16. In a set of 10 coins, 2 coins with heads on both sides. A coin is sele...

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  17. Of the students in a college, it is known that 60% reside in hostel an...

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  18. 40% students of a college reside in hostel and the remaining reside ou...

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  19. Suppose that 5% of men and 0.25% of women have grey hair. A grey haire...

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  20. Assume that the chances of a patient having a heart attack is 40%. It ...

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