Thursday

November 20, 2014

November 20, 2014

Posted by **Anonymous** on Wednesday, March 5, 2014 at 8:37pm.

3:7

4:7

3:4

4:3

I think its 3:7

And my other question is..

Jennifer writes the letters M-O-N-T-A-N-A on cards and then places the cards in a hat. What are the odds against picking a vowel?

3:7

4:7

3:4

4:3

My answer: 4:7

- Math(Check answer) -
**Brady**, Wednesday, March 5, 2014 at 8:46pmBoth are correct.

- Correction - Math(Check answer) -
**Reiny**, Wednesday, March 5, 2014 at 10:06pmBoth are wrong

Odds and probability are not the same thing

you have found the prob(picking a vowel)

Odds in favour of picking a vowel

= prob of picking a vowel : prob of NOT picking a vowel

= 3/7 : 4/7

= 3 : 4

the second question simply reverses the odds

should be

4 : 3

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