Mathematics, 07.03.2020 06:12 sickboi
Alice arrives at a train station at a time uniformly distributed between 8 p. m. and 9 p. m., and boards the first train that arrives. There are two types of trains that arrive between 7 a. m. and midnight: those that head to town A arrive every 15 minutes starting at 7 a. m., and those that head to town B arrive every 15 minutes starting at 7:05 a. m..
a. How long does Alice wait, on the average?
b. What proportion of days does she go to A?
Answers: 2
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Alice arrives at a train station at a time uniformly distributed between 8 p. m. and 9 p. m., and bo...
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