Sometimes it is desirable to assign numerical “code" values to experimental responses that are not basically of numerical type. For example, in testing the color preferences of experimental subjects, suppose that the colors blue, green, and red occur with probabilities

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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1/4, 1/4, and 1/2, respectively. A different integer value is assigned to each color, and this
corresponds to a random variable X that can take on one of these three integer values.
(a) Can f(x) = (1/4) *\(1/2)' - 1*1 for x = -1, 1, 0 be uscd as a pdf for this experiment?
(b) Can f(x) = ( 1/2)*
for x = 0, 1, 2 be used?
%3D
(c) Can f(x) = (1 – x)/4 for x = -1,0, 2 be used?
%3D
Transcribed Image Text:1/4, 1/4, and 1/2, respectively. A different integer value is assigned to each color, and this corresponds to a random variable X that can take on one of these three integer values. (a) Can f(x) = (1/4) *\(1/2)' - 1*1 for x = -1, 1, 0 be uscd as a pdf for this experiment? (b) Can f(x) = ( 1/2)* for x = 0, 1, 2 be used? %3D (c) Can f(x) = (1 – x)/4 for x = -1,0, 2 be used? %3D
9. Sometimes it is desirable to assign numerical “code" values to experimental responses that
are not basically of numerical type. For example, in testing the color preferences of
experimental subjects, suppose that the colors blue, green, and red occur with probabilities
Transcribed Image Text:9. Sometimes it is desirable to assign numerical “code" values to experimental responses that are not basically of numerical type. For example, in testing the color preferences of experimental subjects, suppose that the colors blue, green, and red occur with probabilities
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