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Probability Test - 68
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Probability Test - 68
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  • Question 1/10
    4 / -1
    A fair coins is tossed n times. If the probability that head occurs 6 time is equal to the probability that head occurs 8 time, then n is equal to
    Solutions

  • Question 2/10
    4 / -1
    If three dice are thrown together, then the probability of getting 5 on at least one of them is
    Solutions

  • Question 3/10
    4 / -1
    If a dice is thrown 7 times, then the probability of obtaining 5 exactly 4 times is
    Solutions

  • Question 4/10
    4 / -1
    If x denotes the number of sixes in four consecutive throws of a dice, then P(x = 4) is
    Solutions

  • Question 5/10
    4 / -1
    A man make attempts to hit the target. The probability of hitting the target is 3/5. Then the probability that A hit the target exactly 2 times in 5 attempts is
    Solutions

  • Question 6/10
    4 / -1
    If a dice is thrown 5 times, then the probability of getting 6 exact three times is
    Solutions

  • Question 7/10
    4 / -1
    In binomial probability distribution, mean is 3 and standard deviation is 3/2. Then the probability distribution is
    Solutions

  • Question 8/10
    4 / -1
    A dice is thrown ten times. If getting even number is considered as a success, then the probability of four successes is
    Solutions

  • Question 9/10
    4 / -1
    If the mean and variance of a binomial variate X are 2 and 1 respectively, then the probability that X takes a value greater than 1 is
    Solutions

  • Question 10/10
    4 / -1
    A pair of fair dice is thrown independently three times. The probability of getting a score of 9 exactly twice is
    Solutions

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