Tricky probability problem

Probprob

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Sep 15, 2014
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Hi, I was wondering if you could help me out with a problem I have:

I need to work out the probability that someone will be able to complete a minimum of 10 hours of rehearsals in one week. The probability that this person is free each day is 60% on a weekday and 30% on the weekend. There are 3 hours of rehearsal time available every day except Tuesday and Wednesday when there are 4.

If available on a given day then they can use all the time available to them.

How would I go about working this out?

Thanks!
 
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