Suppose that X represents the number of cars arriving at a toll booth in 1 min. Further,
Question:
Suppose that X represents the number of cars arriving at a toll booth in 1 min.
Further, suppose that X can assume the values 1, 2, 3, 4, and 5 and has the following distribution:
Calculate the expected value of this random variable and explain your result.
Transcribed Image Text:
r P(X=r) 1 .10 2 .20 3 .30 4 .25 5 .15
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The expected value also known as the mean of a discrete random variable is calculated by summing the ...View the full answer
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Related Book For
Statistics For Business And Financial Economics
ISBN: 9781461458975
3rd Edition
Authors: Cheng Few Lee , John C Lee , Alice C Lee
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