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Find the mean number of heads in three t...

Find the mean number of heads in three tosses of a fair coin.

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PRADEEP PUBLICATION-PROBABILITY-EXERCISE
  1. One of the condition of Bernoulli trials is that the trails are indepe...

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  2. True or false When a fair dice is rolled once, then the mean of the ra...

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  3. Find the mean number of heads in three tosses of a fair coin.

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  4. True or false If A, B and C are three independent events such that P(A...

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  5. True or false If a coin is tossed 5 times and X denote the number of h...

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  6. True or false Mean and variance of a binomial distribution are respect...

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  7. Match the statement in column I with those given in column II.

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  8. Events A and B associated with an experiment are said to be independen...

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  9. Events A and B are said to be mutually exclusive iff

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  10. If A and B are independent events then which of the following is not t...

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  11. Let A and B be two events. If P(A)=0.6, P(B)=0.2, P(A/B)=0.5, then P(A...

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  12. If P(A)=3/10, P(B)=2/5 then P(AcupB)=3/5, then P(B/A)+P(A/B) equals

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  13. The event A and B are independent if

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  14. For a biased dice, the probabilities of the different faces to turn up...

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  15. If P(A)=2/5, P(B)=3/10 and P(AcapB)=1/5, then P(A'/B')+P(B'/A') is equ...

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  16. If P(A) = 0.4, P(B)=0.8 and P(B/A)=0.6 then P(AcupB)=.

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  17. A and B are events such tahtP (A) = 0.4 , P (B) = 0.3 and P ( A cup B)...

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  18. If P(AcapB)=0.15, P(B)=0.10 then P(A/B)=

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  19. In Q.10 P(A) = 0.4, P(B) = 0.3 P(A∩B)=0.2, P(B/A') is equal to

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  20. If P(B)=3/5, P(A/B)=1/2 and P(AcupB)=4/5 then P(AcupB')+P(A'cupB)=

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