a. if you arrived at a random time and waited for 5 minutes what is the probability the next train will come within 5 minutes? %% b. if you arrive at a random time, waited for 5 mins, how much more time do you have to wait for the next train, on average? number of mins

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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Trains arrive every 20 minutes in an hour.
(20,20,20)
a. if you arrived at a random time and waited
for 5 minutes what is the probability the next
train will come within 5 minutes? %%
b. if you arrive at a random time, waited for 5
mins, how much more time do you have to
wait for the next train, on average? number of
mins
Transcribed Image Text:Trains arrive every 20 minutes in an hour. (20,20,20) a. if you arrived at a random time and waited for 5 minutes what is the probability the next train will come within 5 minutes? %% b. if you arrive at a random time, waited for 5 mins, how much more time do you have to wait for the next train, on average? number of mins
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