Introductory Statistics
1st Edition
ISBN: 9781938168208
Author: Barbara Illowsky, Susan Dean
Publisher: OpenStax College
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Textbook Question
Chapter 3, Problem 113H
In a previous year, the weights of the members of the San Francisco 49ers and the Dallas Cowboys were published In the San Jose Mercury News. The factual data wete compiled Into the following table.
Table 3.23
For the following, suppose that you randomly select one player from the 49ers or Cowboys.
a. Find the
b. Find the probability that he weighs at most 210 pounds.
c. Find the probability that his shirt number is from 1 to 33 AND he weighs at most 210 pounds.
d. Find the probability that his shirt number is from Ito 33 OR he weighs at most 210 pounds.
e. Find the probability that his shirt number is from I to 33 GIVEN that he weighs at most 210 pounds.
| Shirt# | S 210 | 211—250 | 251—290 | >290 |
| 1—33 | 21 | 5 | 0 | 0 |
| 34—66 | 6 | 18 | 7 | 4 |
| 66-99 | 6 | 12 | 22 | 5 |
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Chapter 3 Solutions
Introductory Statistics
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