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A problem is Mathematics is given to thr...

A problem is Mathematics is given to three sutdents whose chance of solving it are in the ratio 6:4:3 respectively. What is the probability that (i)the problem is solved(ii)what is the probability that none of them could solve the problem.

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The correct Answer is:
`(3)/(4)`,'(23)/(24)'
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PREMIERS PUBLISHERS-INTRODUCTION TO PROBABILITY THEORY-PROBLEMS FOR PRACTICE (ANSWER THE FOLLOWING QUESTIONS)
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  8. The probability of a boy getting admission is IIT is 0.16 and probabil...

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  9. P(A)=0.5,P(B)=0.6,P(AcapB)=0.24.show that P(barAcapB)+P(AcapbarB)=0.62

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  10. A dice is thrown twice. Let A and be the event ,First dice shows 5 and...

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  11. The probability that student will get an reward for sports is 0.38 and...

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  12. If P(A)=0.4,P(B)=0.5,P(AcapB)=0.25,find P(barA//B)+P(barB//A).

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  13. Two cards are drawn from a pack of 52 cards is succession. Find the pr...

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  14. A speaks truth in 95% cases and B speaks truth in 90% cases. In what p...

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  15. A husband and wife appar in an interview for two vacancies in the same...

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  16. A problem is Mathematics is given to three sutdents whose chance of so...

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  17. The probability of A,B,C hitting a target are (4)/(5),(3)/(4),(2)/(3) ...

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  18. An urn contains 8 white and 5 black balls while another urn contains 5...

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  19. Goods are sold is 3 retail outlets,X Y,Z in the ratio 2:3:5. If 90% of...

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