EIU Challenge of the Week: Chotw to Nov. 12, 2010

Friday, January 21, 2011

Chotw to Nov. 12, 2010

Two people decide to meet for lunch between 12:00 and 1:00, but they don't set a fixed time. They randomly select a time independent of each other to arrive at the restaurant. Each of them will wait exactly 15 minutes for the other to arrive before leaving. What is the probability that they meet?

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Rules for CHOTW

Any undergraduate currently enrolled at EIU is eligible to participate.
Each solution is to be the work of one individual and is to be submitted with the solver's
name, year in school, email address, local address and home address.
Each solution is to be written or typed and is due in the main Mathematics Department office by 2:00 p. m., Friday week of deadline given
Entries will be graded on the basis of clarity of exposition and elegance of solution.
An award of $20 will be given for the best solution, whenever possible.

EIU Challenge of the Week

Friday, January 21, 2011

Chotw to Nov. 12, 2010

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