Introductory Statistics
1st Edition
ISBN: 9781938168208
Author: Barbara Illowsky, Susan Dean
Publisher: OpenStax College
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Textbook Question
Chapter 4, Problem 33P
Use the following information to answer the next seven exercises: A ballet instructor is interested in knowing what percent of each year’s class will continue on to the next, so that she can plan what classes to offer. Over the years, she has established the following
Let X = the number of years a student will study ballet with the teacher.
Let P(x) = the probability that a student will study ballet x years.
What does the column ‘P(x)” sum to and why?
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Introductory Statistics
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