5.50 The telephone lines coming into an airline reservation office are all occupied about 60% of the
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5.50 The telephone lines coming into an airline reservation office are all occupied about 60% of the time.
a If you are calling this office, what is the probability that you complete your call on the first try? The second try? The third try?
b If you and a friend both must complete separate calls to this reservation office, what is the probability that it takes a total of four tries for the two of you to complete your calls?
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Related Book For
Probability And Statistics For Engineers
ISBN: 9781133006909
5th Edition
Authors: Richard L Scheaffer, Madhuri Mulekar, James T McClave, Cecie Starr
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