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C Statistics And Probability A+ n.uidaho.edu/webapps/assessment/take/launch jsp'course assessment id- 63752 18 N° results | Options 3 points Save An: QUESTION 6 The Sky Train from the terminal to the rental-car and long-term parking center is supposed to arrive every 9 minutes. The waiting times for the train are known to follow a uniform distribution. What is the probability of waiting more than 7 minutes given a person has waiting for more than four minutes? o a 0.4 Ob.1 Oc, 0.1 1 1 1 3 points Save A QUESTION 7 s to save all Click Save and Submit to save and submit. Click Save All Answer Save All Answers Save and Su

Explanation / Answer

Q6. As it follows a uniform distribution, the probability of waiting for more than 7 minutes given that he has waited for 4 minutes already is:

P (x) = ( (9-4) - (7-4) ) / (9-4) = 2/5 = 0.4

Q7. Average waiting time = (b-a)/2 = (9-0)/2 = 4.5 minutes

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