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John applies to four colleges, all of which decide admission through random lotteries. The probability of admission to each college is 1/7, 1/8, 1/9, 1/10. If the student applies to all four of these colleges, what is the probability that he is admitted to at least one of them? Answer in fraction form.

 Jun 3, 2021
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The probability of being admitted to at least one college is 1 - 1/7 - 1/8 - 1/9 - 1/10 = 1313/2520.

 Jul 5, 2021

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