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A can hit a target 3 times out of 7,B,4 ...

A can hit a target 3 times out of 7,B,4 times out of 5, C,2 times out of 3, They all fire together. What is the probability tha tat least two shots hit the target.

Text Solution

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The correct Answer is:
`(74)/(105)`
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Knowledge Check

  • A can hit a target 4 times in 5 shots , B can hit a target 3 times in 4 shots , C can hit a target 2 times in 3 shots, All the three fire a shot each. What is the probability that two shots are at least hit ?

    A
    `1//6`
    B
    `3//5`
    C
    `5//6`
    D
    `1//3`

  • A can hit a target 4 times in 5 shots: B can hit a target 3 times in 4 shots: C can hit a target 2 times in 3 shots: All the three fire a shot each. What is the probability that two shots are at least hit?

    A
    `1//6`
    B
    `3//5`
    C
    `5//6`
    D
    `1//3`

  • If the chance of a gushot hitting a target is 0.2 then the probability that at least 2 shots out of 10 will hit the target is

    A
    `1-((4)/(5))^(10)`
    B
    `1-7((4)/(5))^(10)`
    C
    `1+(7)/(2) ((4)/(5))^(10)`
    D
    none of these

    • Similar Questions

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