itsmichelle29
  • itsmichelle29
i MEDAL AND fAN HELP PLZ Alex wanted to understand whether grade level had any relationship to their opinion on extending the school day. She surveyed some students and displayed the results in the table below: In favor Opposed Undecided Grade 9 5 3 9 Grade 10 8 12 9 Grade 11 15 16 10 Grade 12 12 6 11 Compare P(Grade 12 | opposed) with P(opposed | Grade 12). P(Grade 12 | opposed) = P(opposed | Grade 12) P(Grade 12 | opposed) > P(opposed | Grade 12) P(Grade 12 | opposed) < P(opposed | Grade 12) There is not enough information.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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jim_thompson5910
  • jim_thompson5910
|dw:1438645732081:dw|
jim_thompson5910
  • jim_thompson5910
|dw:1438645934546:dw|
jim_thompson5910
  • jim_thompson5910
how many people opposed?

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itsmichelle29
  • itsmichelle29
is that right
itsmichelle29
  • itsmichelle29
6
jim_thompson5910
  • jim_thompson5910
how many people total opposed?
itsmichelle29
  • itsmichelle29
37
jim_thompson5910
  • jim_thompson5910
so P(grade 12 | opposed) = (# who are in grade 12 AND opposed)/(# total that opposed) P(grade 12 | opposed) = 6/37 P(grade 12 | opposed) = 0.16216 agreed so far?
itsmichelle29
  • itsmichelle29
Umm yeah
jim_thompson5910
  • jim_thompson5910
what would P(opposed | grade 12) be equal to?
jim_thompson5910
  • jim_thompson5910
how many grade 12 total?
jim_thompson5910
  • jim_thompson5910
P(opposed | grade 12) = (# who are in grade 12 AND opposed)/(# of grade 12)
jim_thompson5910
  • jim_thompson5910
yes 6/29
jim_thompson5910
  • jim_thompson5910
P(grade 12 | opposed) = 6/37 = 0.16216 P(opposed | grade 12) = 6/29 = 0.20690
itsmichelle29
  • itsmichelle29
Yes???
jim_thompson5910
  • jim_thompson5910
yes
itsmichelle29
  • itsmichelle29
OMG thank u !!!
jim_thompson5910
  • jim_thompson5910
np

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