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If the integers m and n are chosen at ra...

If the integers m and n are chosen at random between 1 and 100, then the probability that a number of the form `7^m+7^n` is divisible by 5, equals

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CENGAGE PUBLICATION-PROBABILITY-All Questions
  1. A box contains 12 red and 6 white balls. Balls are drawn from the bag ...

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  2. Two numbers are selected randomly from the set S={1,2,3,4,5,6} without...

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  3. If the integers m and n are chosen at random between 1 and 100, then t...

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  4. If three distinct number are chosen randomly from the first 100 natura...

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  5. If P(B)=3//4, P(AnnBnnbarC)=1//3 and P( bar A nnBnn barC )=1//3, t h ...

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  6. Aa n dB are two independent events. C is event in which exactly one of...

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  7. Let Aa n dB be two event such that P(AuuB)geq3//4 and 1//8lt=P(AnnB)lt...

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  8. There are two red, two blue, two white, and certain number (greater th...

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  9. A drawer contains a mixture of red socks and blue socks, at most 17 in...

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  10. If the probability that the product of the outcomes of three rolls of ...

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  11. If two loaded dice each have the property that 2 or 4 is three times a...

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  12. An urn contains 3 red balls and n white balls. Mr. A draws two balls t...

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  13. Suppose Aa n dB are two events with P(A)=0. 5a n dP(AuuB)=0. 8. Let P(...

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  14. choose the correct answer from the given alternatives : 2.if A and B a...

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  15. The probability of getting 9 dots with two unbiased dice is

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  16. Match column I and column II

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  17. Find the sum of the five digit numbers formed by the digits 2, 3, 4, 5...

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  18. Three events A,B and C are mutually exclusive and exhaustive , if P(A)...

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  19. Let p,q be chosen one by one from the set {1, sqrt(2),sqrt(3), 2, e, p...

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  20. Find the probability that a randomly chosen three-digit number has ...

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