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OpenStudy (anonymous):
jamal writes the letters K-A-N-S-A-S on cards and then places the cards in a hat. what are the odds against picking an S?
1:2
2:1
2:6
6:2
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OpenStudy (anonymous):
2:6
OpenStudy (anonymous):
2:4?
OpenStudy (anonymous):
it's quite easy kansas has 2's and kansas has 6 letters so it's 2/6
OpenStudy (anonymous):
here we go again...
OpenStudy (anonymous):
thanks
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OpenStudy (anonymous):
I just answered one of these but i was wrong. so i need practice too. I was doing probablility instead of odds. apparently there is a difference
OpenStudy (anonymous):
go figure. i was wwrong. lol
OpenStudy (anonymous):
at the risk of repeating myself ...
odds are not probability!
it is the number of S's to the number of not S's
OpenStudy (anonymous):
satelite73 haa
OpenStudy (anonymous):
so although it is quite easy, it is not \(\frac{1}{3}\) it is \(2:4\) better known as \(1:2\)
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OpenStudy (anonymous):
so it is 2:4???!!
OpenStudy (anonymous):
ok i messed this up because i didn't read carefully either
it says "odds AGAINST"
OpenStudy (anonymous):
moral of the story read the problem carefully
"what are the odds against picking an S?"
OpenStudy (anonymous):
4:2?
OpenStudy (anonymous):
ratio of number of not S's to number of S's is \(4:2\) or \(2:1\)
odds against are two to one
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OpenStudy (anonymous):
yeah, \(4:2\) but you reduce and say \(2:1\) or in english "two to one"
OpenStudy (anonymous):
i think we must have confused @Alex_berry
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