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If four people are chosen at random, the...

If four people are chosen at random, then the probability that no two of them were born in the same day of the week

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The correct Answer is:
`(.^(7)P_(4))/(7^(4))`
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AAKASH SERIES-PROBABILITY-Solved Example
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  3. If four people are chosen at random, then the probability that no two ...

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  4. Out of 30 consecutive integers, three integers are drawn at random. Fi...

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  5. If E(1),E(2) are two events with E(1)capE(2)=phi then show that P(E(1)...

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  6. If P(A)=x, P(B)=y and P(AnnB)=z. Find P(A^(c )nnB^(c )).

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  8. The probability of the event A occuring is 0.5 and of B occurring is 0...

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  9. For any two events A,B shows that P(AcapB)-P(A)P(B)=P(A^(C))P(B)-P(A...

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  12. If two cards are drawn from pack 52 cards at random, then find the pro...

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  13. Three students A,B,C are to take part in a swimming competition. The p...

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  14. If (1+3p)/(3), (1-p)/(4), (1-2p)/(2) are the probabilities of 3 mutual...

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  15. (i) If A,B,C are any three events in an experiment and AsubeB, P(C ) g...

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  16. Suppose A and B are independent events with P(A)=0.6, P(B)=0.7 then co...

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  18. An urn contains 12 red balls and 12 green balls. Suppose two balls are...

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  19. Suppose there are 12 boys and 4 girls in a class. If we choose three c...

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  20. Find the probability of drawing 2 red balls in succession from a bag c...

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