Giving a test to a group of students, the grades and gender are summarized below A BC Total Male 13 28 Female 20 19 41 Total 29 32 8 69 If one student is chosen at random, Find the probability that the student did NOT get an "A"
Giving a test to a group of students, the grades and gender are summarized below A BC Total Male 13 28 Female 20 19 41 Total 29 32 8 69 If one student is chosen at random, Find the probability that the student did NOT get an "A"
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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Question
![**Test Results Summary**
A test was administered to a group of students, and their grades are distributed by gender as shown in the table below:
| | A | B | C | Total |
|---------|----|----|---|-------|
| Male | 9 | 13 | 6 | 28 |
| Female | 20 | 19 | 2 | 41 |
| Total | 29 | 32 | 8 | 69 |
**Probability Calculation**
If one student is chosen at random, determine the probability that the student did NOT receive an "A."
_Computation_
1. Total number of students: 69
2. Number of students who did not receive an A (i.e., received B or C): 32 + 8 = 40
**Probability:**
\[ \text{Probability} = \frac{\text{Number of students who did not receive an A}}{\text{Total number of students}} = \frac{40}{69} \]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0645be48-2a82-494d-ae06-198a7d9d9703%2F81cf7ef5-296c-4efe-bfb5-d3202429d573%2Flqjxnvl_processed.png&w=3840&q=75)
Transcribed Image Text:**Test Results Summary**
A test was administered to a group of students, and their grades are distributed by gender as shown in the table below:
| | A | B | C | Total |
|---------|----|----|---|-------|
| Male | 9 | 13 | 6 | 28 |
| Female | 20 | 19 | 2 | 41 |
| Total | 29 | 32 | 8 | 69 |
**Probability Calculation**
If one student is chosen at random, determine the probability that the student did NOT receive an "A."
_Computation_
1. Total number of students: 69
2. Number of students who did not receive an A (i.e., received B or C): 32 + 8 = 40
**Probability:**
\[ \text{Probability} = \frac{\text{Number of students who did not receive an A}}{\text{Total number of students}} = \frac{40}{69} \]
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