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A fair coin is tossed repeatedly. If tai...

A fair coin is tossed repeatedly. If tail appears on first four tosses, then find the probability of head appearing on fifth toss.

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CENGAGE PUBLICATION-PROBABILITY-All Questions
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  2. A box contains 6 nails and 10 nuts. Half of the nails and half of t...

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  3. A fair coin is tossed repeatedly. If tail appears on first four tos...

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  4. Let A ,B ,C be three events. If the probability of occurring exactly ...

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  5. A die marked 1, 2, 3 in red and 4, 5, 6 in green is tossed. Let A be ...

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  6. If P(A//B)=P(A//B '), then prove that A and B are independent.

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  7. Find the probability of getting at least one tail in 4 tosses of a coi...

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  8. If a dice is thrown twice, then find the probability of getting 1 in t...

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  9. A die is thrown 4 times. Find the probability of getting at most tw...

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  10. A coin is tossed three times in succession. If E is the event that ...

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  11. The probabilities of three mutually exclusive events are 2/3, 1/4, ...

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  12. If P(AnnB)=1/2,P( barA nn barB )=1/3, P(A)=p , P(B)=2p , then find ...

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  13. If A and B are events such that P(AuuB)=3//4.P(AnnB)=1//4,and P(A^c)...

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  14. Three students A, B and C are in a swimming race. A and B have the sam...

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  15. Let the nine different letters A, B, C… I in {1, 2, 3, …, 9}. Then fin...

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  16. A pack of 52 cards is divided at random into two equals parts. Find th...

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  17. A bag contains 50 tickets numbered 1, 2, 3, .., 50 of which five are d...

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  18. There are eight girls among whom two are sisters, all of them are to s...

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  19. In a single throw of two dice what is the probability of obtaining a...

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  20. The probability of India winning a test match against West Indies is 1...

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