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Is a probability distribution defined if the only possible

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 1CQQ Chapter 5.5

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 1CQQ

Problem 1CQQ

Is a probability distribution defined if the only possible values of a random variable are 0, 1, 2, 3, and P(0) = P(l) = P(2) = P(3) = 0.25?

Step-by-Step Solution:

Answer:

Step 1:

            Given that, Is a probability distribution defined if the only possible values of a random variable are 0, 1, 2, 3, and P(0) = P(l) = P(2) = P(3) = 0.25?

             

            Yes, because the probability 0.25 is between 0 and 1,and the sum of all probability is equal to 1.

            0.25 + 0.25 + 0.25 + 0.25 = 1.

             

Step 2 of 1

Chapter 5.5, Problem 1CQQ is Solved
Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

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Is a probability distribution defined if the only possible