Quiz 6 (Prequiz) Probability Distributions I

# Quiz 6 (Prequiz) Probability Distributions I - Introduction...

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Introduction to Statistics PreQuiz 6 - Probability Distributions I Name___________________________________ SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Determine the possible values of the random variable. 1) Suppose a coin is tossed four times. Let X denote the total number of tails obtained in the four tosses. What are the possible values of the random variable X? 1) Obtain the probability distribution of the random variable. 2) When two balanced dice are rolled, 36 equally likely outcomes are possible as shown below. (1, 1) (1, 2) (1, 3) (1, 4) (1, 5) (1, 6) (2, 1) (2, 2) (2, 3) (2, 4) (2, 5) (2, 6) (3, 1) (3, 2) (3, 3) (3, 4) (3, 5) (3, 6) (4, 1) (4, 2) (4, 3) (4, 4) (4, 5) (4, 6) (5, 1) (5, 2) (5, 3) (5, 4) (5, 5) (5, 6) (6, 1) (6, 2) (6, 3) (6, 4) (6, 5) (6, 6) Let X denote the smaller of the two numbers. If both dice come up the same number, then X equals that common value. Find the probability distribution of X. Leave your probabilities in fraction form. 2)

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## This note was uploaded on 02/03/2012 for the course MATH 101 taught by Professor Lee during the Spring '11 term at International Institute for Higher Education.

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Quiz 6 (Prequiz) Probability Distributions I - Introduction...

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