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The probability of happening an event A ...

The probability of happening an event A in one trial is 0.4. Find the probability that the event A happens at least one in three independent trials.

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CENGAGE PUBLICATION-PROBABILITY-All Questions
  1. Two different numbers are taken from the set {0,1,2,3,4,5,6,7,8,9,10}d...

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  2. Two events A and B have probabilities 0.25 and 0.50 respectively the p...

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  3. The probability of happening an event A in one trial is 0.4. Find the ...

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  4. An unbiased die is thrown twice. Let the event A be "odd number on ...

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  5. If A and B are two events such that P(A)>0a n d P(B)!=1, t h e nP( b...

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  6. A single letter is selected at random from the word probability. The p...

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  7. A bag contains some white and some black balls, all combinations of ba...

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  8. (AuuB)' is equal to, (a)(A'uuB') (b)(A 'nnB ') (c)(A nnB) (d)(AuuB)

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  9. The minimum number of times a fair coin needs to be tossed, so that th...

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  10. Each question has four choices a, b, c, and d, out of which only one i...

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  11. If Aa n dB are two events such that P(A)=0. 6 and P(B)=0. 8 , if the g...

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  12. Statement 1: a fair coin tossed 15 times, then the probability of ge...

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  13. If two events Aa n dB are such that P(A)=0. 3 ; P(B)=0. 4 ; P( A n...

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  14. There are n letters and n addressed envelopes. Find the probability...

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  15. Statement 1: if A={2,4,6,},B{1,5,3}w h e r eAa n dB are the events of ...

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  16. Match the items in column I with column II

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  17. Let Aa n dB b e two independent events. Statement 1: If P(A)=0. 3a n d...

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  18. An urn contains 9 red, 7 white, and 4 black balls if two balls are dra...

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  19. A mapping is selected at random from the set of all the mappings of ...

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  20. A six-faced dice is so biased that it is twice as likely to show an ...

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