Answered: he contingency table below presents…

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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The contingency table below presents summary data from the Ohio Healthy Youth Environments Survey(OHYES!) carried out in 2019. A sample of student s in grades 7-12 were asked how often they felt safe at school the previous year.

Using the data from the table, if a student is randomly selected, determine the following probabilities. (show work and round final answer to 3 decimal places)

d)P(Sometimes or Female)

e)P(All the time | Male)

f)P(Male | All the time)

Male
Female
Total
Never
1,221
591
1,812
2,263
8,637
Rarely
1,204
1,059
Sometimes
4,058
4,579
Most of the time
17,445
18,581
18,894
36,339
34,126
All of the time
15,545
Total
42,509
40,668
83,177

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