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An experiment succeeds twice as often as it fails. Find the probability that in the next six trails there will be at least 4 successes.
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From a lot of 15 bulbs which include 5 defectives, a sample of 2 bulbs is drawn at random (without replacement). Find the probability distribution of the number of defective bulbs.Question 2
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A group consists of 12 persons, of which 3 are extremely patient, other 6 are extremely honest and rest are extremely kind. A person from the group is selected at random. Assuming that each person is equally likely to be selected, find the probability of selecting a person who is (i) extremely patient (ii) extremely kind or honest. Which of the above values you prefer
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| Question Text | An experiment succeeds twice as often as it fails. Find the probability that in the next six trails there will be at least 4 successes. |
