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Recent questions tagged Probability-interview-questions

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Q: A biased die is such that P (4) = 1/10 and other scores being equally likely. The die is tossed twice. If X is the ‘number of fours seen’,
    A biased die is such that P (4) = 1/10 and other scores being equally likely. The die is tossed twice. If ... of the random variable X. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
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Q: Two probability distributions of the discrete random variable X and Y are given below.
    Two probability distributions of the discrete random variable X and Y are given below. Prove that E(Y)2=2E(X). Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
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Q: A factory produces bulbs. The probability that any one bulb is defective is 1/50 and they are packed in boxes of 10.
    A factory produces bulbs. The probability that any one bulb is defective is 1/50 and they are packed in boxes ... 8 bulbs work properly Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
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Q: Suppose you have two coins which appear identical in your pocket. You know that one is fair and one is 2-headed.
    Suppose you have two coins which appear identical in your pocket. You know that one is fair and one is 2-headed. ... was a fair coin? Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
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Q: Suppose that 6% of the people with blood group O are left handed and 10% of those with other blood groups are left handed 30%
    Suppose that 6% of the people with blood group O are left handed and 10% of those with other blood groups are ... have blood group O? Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
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Q: Two natural numbers r, s are drawn one at a time, without replacement from the set S= {1, 2, 3, ...., n}. Find P [r ≤ p|s ≤ p], where p ∈ S.
    Two natural numbers r, s are drawn one at a time, without replacement from the set S= {1, 2, 3, ...., n}. Find ... ≤ p], where p ∈ S. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
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Q: The random variable X can take only the values 0, 1, 2. Given that P (X = 0) = P (X = 1) = p and that E(X^2) = E[X], find the value of p.
    The random variable X can take only the values 0, 1, 2. Given that P (X = 0) = P (X = 1) = p and that E ... E[X], find the value of p. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
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