On mornings when school is in session in January, Sara notices that her school bus is late one-third of the time. What is the probability that during a 5-day school week in January her bus will be lateat leastthree times?

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- Nov 29th 2008, 10:22 PMmagentaritaSchool BusOn mornings when school is in session in January, Sara notices that her school bus is late one-third of the time. What is the probability that during a 5-day school week in January her bus will be late
*at least*three times?

- Dec 1st 2008, 03:45 AMmr fantastic
- Dec 2nd 2008, 10:46 PMmagentaritano.........
- Dec 2nd 2008, 10:53 PMjanvdl
- Dec 5th 2008, 01:29 PMmagentaritaok...........