A local elementary school holds four events annually. The probability distribution of the number of events attended by a student, based on past records, is given in the table below. Number of events 1 3 attended Probability 44 .31 .12 .05 Determine the expected number of events attended by a student. O A) 1.5 O B) 1.62 O C) 2 O D) 2.5
A local elementary school holds four events annually. The probability distribution of the number of events attended by a student, based on past records, is given in the table below. Number of events 1 3 attended Probability 44 .31 .12 .05 Determine the expected number of events attended by a student. O A) 1.5 O B) 1.62 O C) 2 O D) 2.5
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A local elementary school holds four events annually. The probability distribution of the number of events attended by a student, based on past records, is given in the table below:
| Number of events attended | 0 | 1 | 2 | 3 | 4 |
|---------------------------|----|----|----|----|----|
| Probability | .08 | .44 | .31 | .12 | .05 |
Determine the expected number of events attended by a student.
- A) 1.5
- B) 1.62
- C) 2
- D) 2.5
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