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should be satisfy by P. How to approach this answer?

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- Thread starter rclakmal
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- #1

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should be satisfy by P. How to approach this answer?

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tiny-tim

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(try using the X

should be satisfy by P. How to approach this answer?

Hint: probability that a tool is

And probability that a box contains at least 2 satisfactory tools is 1

- #3

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by using binomial theorem i was able to solve it as getting N=4 and r=2,3,4;

then answer is

0.95=SIGMA (r goes 2 to 4)= 4Cr*p^r*(1-p)

then i got the answer .........thanks TINY TIM .........ur a great helping hand to me .....

hoping ur help in the future also ......!

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