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Two numbers b\ a n d\ c are chosen at ra...

Two numbers `b\ a n d\ c` are chosen at random with replacement from the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9. Find the probability that `x^2+b x+c >0\ for\ a l l\ x in Rdot`

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RD SHARMA ENGLISH-PROBABILITY-All Questions
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  16. A die is thrown three times events A and B are defined as below: A= Ge...

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

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  18. Consider the experiment of throwing a die. if a multiple of 3 comes ...

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