Sunday, March 6, 2011

SAT I: Math Section C: 3

If this neighborhood of Nashville has 20 grocery stores, 5 of which are especially close to my street, and I go to the grocery store twice a week, and I'm 90% most one of the 5, and I work every day til 8 pm, from 10 am, Mon through Friday, and I'm only 5% likely to go before work, go and come back so it's not sitting in the car all day, and I'm about 33% as likely to go on a weekend, because it's a chore, and I usually spend about 20 minutes there, and my neighbor who I never see but whose schedule is 90% similar to mine, has the the same proclivities as I do:  How likely are we to run into each other at the supermarket every year?


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