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anonymous
 5 years ago
a man has four socks in his drawer . each socket is either black or white . the changes of him selecting a pair at random and finding that he has a white pair is 0.5. what one his chances of the pair being black?
anonymous
 5 years ago
a man has four socks in his drawer . each socket is either black or white . the changes of him selecting a pair at random and finding that he has a white pair is 0.5. what one his chances of the pair being black?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0option are ;a.0 b.0.5 c.2/3 d.none.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0answer is none. he has 4 socks in the drawer. the number of ways to pick two out of 4 is \[\dbinom{4}{2}=6\] and this is your denominator. you numerator therefore must be 3 which is \[\dbinom{3}{1}\] so he hasd 3 white socks to pick from

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0if this is abstract, draw 4 circles, 3 open and once shaded in. then see what all the combinations are and you will see that half of them have two white socks and half have one white and one black.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0oops 0 is the answer. the probability is 0, not 'none'

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0if you write down my age followed by my age when i was ayear younger, you get a four digit number. taking the square root of that number gives my house number. what is my house number.?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0no its 71 but i could find the reason.
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