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Self Studies

Probability Tes...

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  • Question 1
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    A box contains 10 good articles and 6 with defects. One article is chosen at random. What is the probability that its is either good or has a defect

  • Question 2
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    The probability of happening of an impossible event i.e., P(φ) is

  • Question 3
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    A coin is tossed until a head appears or until the coin has been tossed five times. If a head does not occur on the first two tosses, then the probability that the coin will tossed 5 times is

  • Question 4
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    Two dice are tossed. The probability that the total score is a prime number is

  • Question 5
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  • Question 6
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    Two dice are thrown. The probability that the sum of the points on two dice will be 7 is

  • Question 7
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    The probability that an event will fail to happen is 0.05. The probability that the event will take place on 4 consecutive occasions is

  • Question 8
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    The chance of throwing at least 9 in a single throw with two dice is

  • Question 9
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    Five horses are in a race. Mr. A selected two of the horses at random and bets on them. The probability that Mr. A selected the winning horse is

  • Question 10
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    Three identical dice are rolled. The probability that same number will appear on each of them will be

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