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Recent questions tagged Probability-mcq

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Q: Let E1 and E2 be two independent events such that p(E1) = p1 and P(E2) = p2. Describe in words of the events whose probabilities are:
    Let E1 and E2 be two independent events such that p(E1) = p1 and P(E2) = p2. Describe in words of the events ... (iv) p1 + p2 - 2p1p2 Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
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Q: A discrete random variable X has the probability distribution given as below:
    A discrete random variable X has the probability distribution given as below: (i) Find the value of k (ii) ... of the distribution. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
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Q: In a dice game, a player pays a stake of Re1 for each throw of a die. She receives Rs 5 if the die shows a 3,
    In a dice game, a player pays a stake of Re1 for each throw of a die. She receives Rs 5 if the die shows ... a long series of throws? Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
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Q: Three dice are thrown at the same time. Find the probability of getting three two’s, if it is known that the sum of the numbers on the dice was six.
    Three dice are thrown at the same time. Find the probability of getting three two's, if it is known that the sum ... the dice was six. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
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Q: Suppose 10,000 tickets are sold in a lottery each for Re 1. First prize is of Rs 3000 and the second prize is of Rs. 2000.
    Suppose 10,000 tickets are sold in a lottery each for Re 1. First prize is of Rs 3000 and the second ... what is your expectation. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
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Q: A bag contains 4 white and 5 black balls. Another bag contains 9 white and 7 black balls.
    A bag contains 4 white and 5 black balls. Another bag contains 9 white and 7 black balls. A ball is ... ball drawn is white. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
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Q: Bag I contains 3 black and 2 white balls, Bag II contains 2 black and 4 white balls. A bag and a ball is selected at random.
    Bag I contains 3 black and 2 white balls, Bag II contains 2 black and 4 white balls. A bag and a ball is ... of selecting a black ball. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
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Q: A box has 5 blue and 4 red balls. One ball is drawn at random and not replaced. Its colour is also not noted.
    A box has 5 blue and 4 red balls. One ball is drawn at random and not replaced. Its colour is also not ... of second ball being blue? Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
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Q: Four cards are successively drawn without replacement from a deck of 52 playing cards. What is the probability that all the four cards are kings?
    Four cards are successively drawn without replacement from a deck of 52 playing cards. What is the probability that ... are kings? Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
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