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Can anyone solve this problem?
25 ipods are given away among 4000 students. What is the chance that at least one student wins the ipod?

And if possible, can you show or explain how you got the answer? Thanks in advance.

2007-04-25 17:38:53 · 5 answers · asked by Anonymous in Science & Mathematics Mathematics

5 answers

I don't understand the problem -- it says that 25 students get iPods. The chance is 1.0. By the problem statement, not just "at least one", but exactly 25 students win iPods.

2007-04-25 17:50:52 · answer #1 · answered by norcekri 7 · 1 0

The probability that at least one student wins an ipod is 1.0 if 25 are distributed. The probability of a given student winning an ipod is 25/4,000 = 1/160

2007-04-25 17:50:33 · answer #2 · answered by Helmut 7 · 1 0

25 to 1, because if 25 are given out, then 25 kids will get them, so at least 25 kids will get an ipod, so that means 25 kids will get an ipod, that means that 25 kids will get the ipod....etc

2007-04-25 17:42:59 · answer #3 · answered by Anonymous · 1 0

1 in 160 students

2007-04-25 17:42:03 · answer #4 · answered by Kristenite’s Back! 7 · 0 1

25/4000=0.00625 so the odds are 0.00625 to 1

2007-04-25 17:51:06 · answer #5 · answered by lahomaokie 2 · 0 1

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