# Ethical Behavior of Business Students at Bayview University

Pages: 3 (611 words) Published: January 31, 2013
Case Problem 2 Ethical Behavior of Business students at Bayview University

All| Internet| Exam| Collaborated| Cheater|
Y| 23| 16| 23| 48|
N| 67| 74| 67| 42|
Total| 90| 90| 90| 90|
Proportion Y| 25.6%| 17.8%| 25.6%| 53%|
Proportion N| 74.4%| 82.2%| 74.4%| 47%|
| | | | |
| |
Male| Internet| Exam| Collaborated| Cheater|
Y| 16| 9| 13| 27|
N| 31| 38| 34| 20|
Total| 47| 47| 47| 47|
Proportion Y| 34.0%| 19.1%| 27.7%| 57%|
Proportion N| 66.0%| 80.9%| 72.3%| 43%|
| | | | |
Femal| Internet| Exam| Collaborated| Cheater|
Y| 7| 7| 10| 21|
N| 36| 36| 33| 22|
Total| 43| 43| 43| 43|
Proportion Y | 16.3%| 16.3%| 23.3%| 48.8%|
Proportion N| 83.7%| 83.7%| 76.7%| 51.2%|

Number of students=90
Number of male students=47
Number of female students=43

2.
(1)95% confidence intervals for the proportion of all students: Sample size=90, sample proportion=0.53, level significance is 0.05. Standard Errors=^P (1-P)/n=0.0511
Z-socre=1.9600
Width of the confidence interval=z*se=0.1002
Lower Limit of the confidence interval=p-width=0.4298
Upper Limit of the confidence interval=p+width=0.6302
The confidence interval for the proportion of all students is 0.43 to 0.63.

(2) 95% confidence intervals for the proportion of male students: Sample size=47, sample proportion=0.57, level significance is 0.05. Standard Errors=^P (1-P)/n=0.0722
Z-socre=1.9600
Width of the confidence interval=z*se=0.1415
Lower Limit of the confidence interval=p-width=0.4285
Upper Limit of the confidence interval=p+width=0.7115
The confidence interval for the proportion of all students is 0.43 to 0.71.

(3) 95% confidence intervals for the proportion of female students: Sample size=43, sample proportion=0.488, level significance is 0.05. Standard Errors=^P (1-P)/n=0.0762
Z-socre=1.9600
Width of the confidence interval=z*se=0.1494
Lower Limit of the...

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