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A, B and C shot to hit a target. If A hi...

A, B and C shot to hit a target. If A hits the target 4 times in 5 trails, B hit it 3 times in 4 trials and C hits 2 time in 3 trials; what is the probability that the target is hit by a least 2 person?

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Three persons A, B and C shoot to hit a target. If A hits the target four times in five trials, B hits it three times in four trials and C hits it two times in three trials, find the probability that: (i) exactly two persons hit the target (ii) None hit the target.

Three persons A, B and C shoot to hit a target. If in trials, A hits the target 4 times in 5 shots, B hits 3 times in 4 shots and C hits 2 times in 3 trials. Find the probability that: Exactly two persons hit the target.

A can hit a target 4 times out of 5 trial. B can hit 3 times of 4 trials and C can hit 2 times out of 3 trials. If all three hit the target sumultaneously, find the probability of hitting the target.

A,B and C can hit a target 3 times out of 5 trials, 4 times out of 5 trials and 2 times out of 5 trials. Find the probability that: (i) exactly two can hit the target (ii) at least two can hit the target.

The probability that A hits a target is 1/3 and the probability that B hits it is 2/5\ . If each one of and B shoots at the target, what is the probability that (i) the target is hit? (ii) exactly one-of-them-hits the target?

The probability that a man can hit a target is 3//4 . He tries 5 times. The probability that he will hit the target at least three times is

The probability that A hits a target is 1/3 and the probability that B hits it is 2/5 . What is the probability that the target will be , if each one of A and B shoots at the target?

On average, a sharpshooter hits the target once every 3 shots. What is the probability that he will hit the target in 4 shots?

The probability of a man hitting a target is 0.25. He shoots 7 times. What is the probability of his hitting at least twice?

The probability of a man hitting a target is 0.25. He shoots 7 times. What is the probability of his hitting at least twice?

RD SHARMA ENGLISH-PROBABILITY-All Questions
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  4. A company has estimated that the probabilities of success fro there pr...

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  5. A can solve 90% of the problems given in a book and B can solve 70%. ...

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  6. A bag contains 5 white, 7 red and 8 black balls. Four balls are drawn ...

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  7. If two switches S1a n dS2 have respectively 90% and 80% chances of wor...

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  8. The machine operates if all of its three components function. The prob...

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  9. An anti aircraft gun take four shots at an enemy plane moving away fro...

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  10. An article manufactured by a company consists of two parts X and Y. In...

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  11. To test the quality of electric bulbs produced in as factory, two bulb...

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  12. A bag contains n white and n red balls. Pairs of balls are drawn witho...

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  14. If P(notA)=0. 7 ,P(B)=0.7 a n dP(B//A)=0. 5 , then find P(A//B)a n dP...

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  15. If P" "(A)" "=" "0. 8 , P(B)" "=" "0. 5 and P(B|A)" "=" "0. 4 , find ...

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  16. A fair dice is rolled. Consider the following events: A={1,2,5},B={2,3...

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  17. Three events A , B and C have probabilities 2/5,1/3a n d1/2 respecivel...

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  18. A die is rolled twice and the sum of the numbers appearing on them is ...

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  19. A black and a red dice are rolled. (a)   Find the conditional proba...

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  20. Two integers are selected at random from integers 1 through 11. If the...

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