A survey asks the 30 students to indicate the number of times they excused themselves out of a class last week. The results are shown
A survey asks the 30 students to indicate the number of times they excused themselves out of a class last week. The results are shown on the table. Construct a probability distribution for the random variable X which denotes the number of times the students excused themselves out of a class.
| Number of excuses | 0 | 1 | 2 | 3 |
| Number of students | 15 | 4 | 3 | 8 |
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Authors: William J LeVeque
1st Edition
0486150763, 9780486150765
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