(Probability) The computer science department has 6 graduate assistants who are...

pahke

New member
...assigned to the same office...? The computer science department has 6 graduate assistants who are assigned to the same office. If any assistant is twice as likely to study at home as in this office, which can get noisy, then how many desks should be put in the office so that everyone who shows up can be seated on at least:
a) 95% of the schooldays?
b) 70% of the schooldays?


I've already asked this question here (http://yhoo.it/en0fAT) but no one has answered it. If you can correctly answer this question within the next 12 hours, I will give you two 'best answers' for the price of one! Please help. I have a quiz tomorrow and don't know how to do this type of problem.
 
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