anonymous
  • anonymous
the school day consists of four block classes, each 90 mins long. Lunch is 30 mins. Passing time between classes and/or lunch is 5 mins. 1) if there is a fire drill at a random time during the day, what is the probability that is begins during lunch? 2) At a random time during a class, your teacher poses the "Question of the Day." If you are 10 mins late for class, what is the probability that you miss hearing the question?
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
The school day is 90 + 90 + 90 + 90 + 30 + 5 + 5 + 5 + 5 = 410 minutes. 1. 30/410 = 3/41
anonymous
  • anonymous
:+)

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