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Started By
Message
I suck at math... Trying to figure out a prbability ratio thing...
Posted on 11/17/14 at 6:08 am
Posted on 11/17/14 at 6:08 am
A is a 40:32,000 chance
B is a 1:70,000 chance
How much more likely is A than B?
I was a 620 Math/740 Verbal on my SATs back in the day day before the day...
B is a 1:70,000 chance
How much more likely is A than B?
I was a 620 Math/740 Verbal on my SATs back in the day day before the day...
5
Posted on 11/17/14 at 6:10 am to yurintroubl
A is a 1 in 800 chance
B is 1 in 70,000
70,000/800=875
It's 87.5 times more likely
ETA:sorry, typo
ETA 2: Derp. I missed a zero. Placebeaux is right. Mea culpa. I haven't done math in a long long time
B is 1 in 70,000
70,000/800=875
It's 87.5 times more likely
ETA:sorry, typo
ETA 2: Derp. I missed a zero. Placebeaux is right. Mea culpa. I haven't done math in a long long time
This post was edited on 11/17/14 at 6:24 am
Posted on 11/17/14 at 6:12 am to yurintroubl
87.5% more likely
Posted on 11/17/14 at 6:12 am to yurintroubl
Use a simpler example to figure out how to do this:
A is a 1:2 chance
B is a 1:4 chance
How much more likely is A than B? Reverse engineer how to get that answer.
A is a 1:2 chance
B is a 1:4 chance
How much more likely is A than B? Reverse engineer how to get that answer.
Posted on 11/17/14 at 6:46 am to yurintroubl
u suck at math
thats y. u. r. in. trubl.
thats y. u. r. in. trubl.
Posted on 11/17/14 at 6:53 am to yurintroubl
A: 1/800
B: 1/70000
Likelihood of A compared to B is P(A)/P(B)
(1/800)/(1/70000) = 70000/800 = 87.5
A is 87.5x likelier than B.
B: 1/70000
Likelihood of A compared to B is P(A)/P(B)
(1/800)/(1/70000) = 70000/800 = 87.5
A is 87.5x likelier than B.
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