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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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