A die is weighted such that an even number is twice as likely to come out as an odd number. If the die is rolled and X is the number that turns up, construct the probability mass function for X and compute the expected value of X.
A die is weighted such that an even number is twice as likely to come out as an odd number. If the die is rolled and X is the number that turns up, construct the probability mass function for X and compute the expected value of X.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 22E
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- A die is weighted such that an even number is twice as likely to come out as an odd number. If the die is rolled and X is the number that turns up, construct the
probability massfunction for X and compute theexpected value of X.
Values of the random variable x |
Probability P(x)
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x(P(x)) |
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Why use 9 for the denominator? why not 6 as there are 6 possible outcomes in tossing a die
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how did you come up with the p(x). can you explain it further?
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