Simple probability

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Thank you for taking some time to help me out. My 5th grade daughter came home with this problem, and its been such a long while since i've last dealt with probability (pro'lly highschool, lol) i don't know what to do. I goes like this:

In the dryer there are 18 red socks, 24 white socks, 8 blue socks, and 10 black socks. Fred wants to have two matching socks to wear. He reaches into the dryer and without looking pulls out one sock at a time. What is the minimum number of socks he needs to pull out to be sure he will have a matching pair?...why?

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Re: Simple probability

proudlybelizean wrote:

Thank you for taking some time to help me out. My 5th grade daughter came home with this problem, and its been such a long while since i've last dealt with probability (pro'lly highschool, lol) i don't know what to do. I goes like this:

In the dryer there are 18 red socks, 24 white socks, 8 blue socks, and 10 black socks. Fred wants to have two matching socks to wear. He reaches into the dryer and without looking pulls out one sock at a time. What is the minimum number of socks he needs to pull out to be sure he will have a matching pair?...why?

4 colors, so 5 socks.

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thank you so much! Laughing

i've read the pigeon principle now, from top to bottom hahahahahahaha thanks again! Laughing

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Simple probability

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