10. Suppose a fair four-sided die is rolled. The faces are labeled 0, 2, 4 and 6. Let X be the random variable which represents the face value of the die when rolled. Show your work for the following questions. (i). What is the probability distribution of X? (ii). What is the mean or expected value of X? (iii). What is the standard deviation of X? Keep three decimal places.
10. Suppose a fair four-sided die is rolled. The faces are labeled 0, 2, 4 and 6. Let X be the random variable which represents the face value of the die when rolled. Show your work for the following questions. (i). What is the probability distribution of X? (ii). What is the mean or expected value of X? (iii). What is the standard deviation of X? Keep three decimal places.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Transcribed Image Text:10. Suppose a fair four-sided die is rolled. The faces are labeled 0, 2, 4 and 6. Let X be the random variable which
represents the face value of the die when rolled. Show your work for the following questions.
(i). What is the probability distribution of X?
(ii). What is the mean or expected value of X?
(iii). What is the standard deviation of X? Keep three decimal places.
(iv). Now roll this die twice. Let X¸ and X¸ denote the face value of the die on the two rolls respectively. What is the
mean or expected value of X, + X,?
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