Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 5 - Discrete Probability Distributions - 5-2 Probability Distributions - Basic Skills and Concepts - Page 206: 1


The number of girls in three births, 0,1,2,3 girls, numerical random variable.

Work Step by Step

From the table, x is the number of girls in three births. This is a random variable, because it's value depends on chance. Here, the possible values are 0,1,2,3 girls. The variable x is a numerical random variable.
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