Given the following of a school with only grade 9 and 10 Grade 9's Grade 10's Totals Completed no community service hours 50 20 70 Completed at least 1 community service hour 125 200 325 Totals 175 220 395 a) Determine the odds that a randomly selected student is in grade 9 b) Determine the probability that a grade 9 has completed no community service hours

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Given the following of a school with only grade 9 and 10
Grade 9's
Grade 10's
Totals
Completed no
community service
hours
50
20
70
Completed at least 1
community service
hour
125
200
325
Totals
175
220
395
a) Determine the odds that a randomly selected student is in grade 9
b) Determine the probability that a grade 9 has completed no community service
hours
Transcribed Image Text:Given the following of a school with only grade 9 and 10 Grade 9's Grade 10's Totals Completed no community service hours 50 20 70 Completed at least 1 community service hour 125 200 325 Totals 175 220 395 a) Determine the odds that a randomly selected student is in grade 9 b) Determine the probability that a grade 9 has completed no community service hours
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