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Favorite Summer Activity for 50 Children

Reading Sports Swimming TOTAL
Boys 2 20 8 30
Girls 4 7 9 20
TOTAL 6 27 17 50


P(Boy if favorite activity is swimming)
0.26
P(Girl if favorite activity is sports)
0.45
P(Girl if favorite activity is reading)
0.20
P(Boy if favorite activity is sports)
0.67
P(Favorite activity is swimming if a girl)
0.27
P(Favorite activity is reading if a boy)
0.07
P(Favorite activity is swimming if a boy)
0.47
P(Favorite activity is reading if a girl)
0.74

Are my answers correct? I have to go off of a wordbank.

Answers

Answered by Steve
Do swimmers count among those who like sports? If not, then

There are 17 swimmers, so
P(boy if swimming) = 8/17 = .47

There are 27 sports, so
P(girl if sports) = 7/27 = .26

Adjust the numbers if swimmers are counted among "sports"

and so on. How did you get your numbers?
Answered by Wes
There was a wordbank, steve
Answered by carlos
more than half of this is wrong
Answered by Anonymous
P(Boy if favorite activity is swimming) 0.47
P(Girl if favorite activity is sports) 0.26
P(Girl if favorite activity is reading) 0.67
P(Boy if favorite activity is sports) 0.74
P(Favorite activity is swimming if a girl) 0.45
P(Favorite activity is reading if a boy) 0.07
P(Favorite activity is swimming if a boy) 0.27
P(Favorite activity is reading if a girl) 0.20
P(Boy if favorite activity is swimming) 0.47
P(Girl if favorite activity is sports) 0.26
P(Girl if favorite activity is reading) 0.67
P(Boy if favorite activity is sports) 0.74
P(Favorite activity is swimming if a girl) 0.45
P(Favorite activity is reading if a boy) 0.07
P(Favorite activity is swimming if a boy) 0.27
P(Favorite activity is reading if a girl) 0.20
Answered by htsrhtdyjy
P(Boy if favorite activity is swimming) 0.47
P(Girl if favorite activity is sports) 0.26
P(Girl if favorite activity is reading) 0.67
P(Boy if favorite activity is sports) 0.74
P(Favorite activity is swimming if a girl) 0.45
P(Favorite activity is reading if a boy) 0.07
P(Favorite activity is swimming if a boy) 0.27
P(Favorite activity is reading if a girl) 0.20
Answered by elongot_twitter
the htsrhtdyjy guy got it right for me :D
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