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Arithmetic Aptitude :: Probability

  1.  If a card is chosen from a standard deck of cards, what is the probability of getting a five or a seven?

  2. A.

    1/26

    B.

    4/52

    C.

    8/52

    D.

    1/169


  3.  If the occurrence of one event means that another cannot happen, then the events are

  4. A.

    Bayesian

    B.

    Empirical

    C.

    Independent

    D.

    Mutually Exclusive


  5.  Which of the following is not a correct statement about a probability.

  6. A.

    A value near 0 means that the event is not likely to occur/happens

    B.

    It can be reported as a decimal or a fraction

    C.

    It must have a value between 0 and 1

    D.

    It is the collection of several experiments


  7.  The collection of one or more outcomes from an experiment is called

  8. A.

    Event

    B.

    Z-Value

    C.

    Probability

    D.

    Random Variable


  9.  The joint probability is

  10. A.

    Also called Prior probability

    B.

    Based on two mutually exclusive events

    C.

    The likelihood of two events happening together

    D.

    The likelihood of an event happening given that another event has already happened


  11.  In a Poisson probability distribution

  12. A.

    It always contains a contingency table

    B.

    The number of trials is always less than 5

    C.

    The probability of success is always greater than 5

    D.

    The mean and variance of the distribution are same (equal)


  13.  If a card is chosen from a standard deck of cards, what is the probability of getting a diamond (♦) or a club(♣)?

  14. A.

    26/52=1/2

    B.

    13/52

    C.

    20/52

    D.

    12/52


  15.  In special rule of addition of probability, the events are always

  16. A.

    Bayesian

    B.

    Empirical

    C.

    Independent events

    D.

    Mutually Exclusive events


  17.  Which of the following is not a condition of the binomial distribution?

  18. A.

    trials must be independent

    B.

    must have at least 3 trials

    C.

    Only 2 possible outcomes

    D.

    have constant probability of success


  19.  If you roll a pair of dice, what is the probability that (at least) one of the dice is a 4 or the sum of the dice is 7?

  20. A.

    15/36

    B.

    13/36

    C.

    4/36

    D.

    None of these