In a sporting event, the championship is won by the first team to win four games. The lengths of the championship games are given in the table. Let X denote the number of games that it takes to complete a championship, and Y denote the number of games that it took to complete a randomly selected championship from among those considered in the table. a. Determine the mean and standard deviation of the random variable Y. The mean is games. (Round to three decimal places as needed.) The standard deviation is games. (Round to three decimal places as needed.) Number of games Frequency Relative Frequency 4 22 0.196 5 27 0.241 6 27 0.241 7 36 0.321
In a sporting event, the championship is won by the first team to win four games. The lengths of the championship games are given in the table. Let X denote the number of games that it takes to complete a championship, and Y denote the number of games that it took to complete a randomly selected championship from among those considered in the table. a. Determine the mean and standard deviation of the random variable Y. The mean is games. (Round to three decimal places as needed.) The standard deviation is games. (Round to three decimal places as needed.) Number of games Frequency Relative Frequency 4 22 0.196 5 27 0.241 6 27 0.241 7 36 0.321
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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In a sporting event , the championship is won by the first team to win four games. The lengths of the championship games are given in the table. Let X denote the number of games that it takes to complete a championship, and Y denote the number of games that it took to complete a randomly selected championship from among those considered in the table.
a.
Determine the The mean is
games.
(Round to three decimal places as needed.)
The standard deviation is
games.
games.
(Round to three decimal places as needed.)
Number of games | Frequency | Relative Frequency |
4 | 22 | 0.196 |
5 | 27 | 0.241 |
6 | 27 | 0.241 |
7 | 36 | 0.321 |
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