1.   Which statement is not true for a binomial experiment?
    A. The outcomes of each trial must be dependent.
    B. The probabilities in each trial must be independent.
    C. There must be a fixed number of trials.
    D. Each trial has exactly two outcomes.
    Hint

  2.   The probability of tossing a head on a bent coin is 25%. Find the probability of getting 3 heads if the coin is tossed three times.
    A. B.
    C. D.
    Hint

  3.   Kyle guesses at all of the 5 questions of a multiple choice quiz. Find the probability that he gets exactly 3 answers correct if each question has 4 choices.
    A. B.
    C. D.
    Hint

  4.   Kevin has an email account and checks his email several times per day. The probability of Kevin receiving an email from his friends is . Suppose he checks his email 6 times in a day. Find the probability that Kevin gets a message at least 4 of the times he checks his email throughout the day.
    A. 0.5 B. 0.53962
    C. 0.4996 D. 0.54432
    Hint

  5.   Eric guesses at all 8 questions on a true/false test. Find the probability that he got at least 6 correct.
    A. 0.1445 B. 0.1353
    C. 0.1618 D. 0.1528
    Hint