Elaborate, yes?

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evanthebouncy!
United States12796 Posts
On February 05 2009 21:36 goldrush wrote: Show nested quote + On February 05 2009 19:41 evanthebouncy! wrote: Let us assume that each test is 10 problems Let us assume that for each problem, she has .4 chance of answer correct, and .6 for incorrect We want to answer: What's the probability that she passes score 6 with her chances? Well, it's going to be P(score6) + P(score7) + ... + P(10) = .4^6*.6^4 + .4^7*.6^3 + ... + .4^10*.6^0 = 0.00138 Actually fairly slim chances. Binomial coefficient, no? Elaborate, yes? ![]() | ||
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oneofthem
Cayman Islands24199 Posts
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meegrean
Thailand7699 Posts
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pokerface
507 Posts
On February 05 2009 13:05 baal wrote: ![]() U are pathetic... | ||
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fanatacist
10319 Posts
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dronebabo
10866 Posts
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Eatme
Switzerland3919 Posts
I dont know how hard it could be to drive in seoul but driving in alot of larger cities is tricky and i doubt that someone that fail a drivingtest 771 times would manage that. But who knows, maybe she has been taking 771 lessons too. | ||
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Kennelie
United States2296 Posts
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Fen
Australia1848 Posts
On February 05 2009 13:01 il0seonpurpose wrote: Aww thats so sad. I hope she can pass! If she manages to pass, theres no way of knowing if she passed because she knew the right answers or she just got lucky. She could be out driving a car with no understanding of the road rules and seriously flawed logic skills. | ||
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BottleAbuser
Korea (South)1888 Posts
From what I remember, you need over a 70% to pass, and there are 200 multiple choice (4 choices) questions. So the chance that someone guesses everything correctly is (1/4)^200; I'm brain-dead right now so I can't remember how to calculate for a certain %... | ||
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baal
10541 Posts
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BottleAbuser
Korea (South)1888 Posts
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Piy
Scotland3152 Posts
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d_so
Korea (South)3262 Posts
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Falcynn
United States3597 Posts
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LordWeird
United States3411 Posts
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Falcynn
United States3597 Posts
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ahswtini
Northern Ireland22212 Posts
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Kennelie
United States2296 Posts
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ilovehnk
475 Posts
On February 05 2009 13:11 Faronel wrote: That's so sad, which is why I'm laughing really hard right now. | ||
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