SOLUTION: From the table below, find Prof. Aker’s expected mean lateness. (5 points) Lateness P(Lateness) On time (0 minutes) 4/5 10 minutes

Question 1198219: From the table below, find Prof. Aker’s expected mean lateness. (5 points)
Lateness P(Lateness)
On time (0 minutes) 4/5
10 minutes 1/10
20 minutes 1/20
30 minutes 1/20
Answer by ikleyn(52898) (Show Source): You can put this solution on YOUR website!
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From the table below, find Prof. Aker’s expected mean lateness. (5 points)
Lateness P(Lateness)
On time (0 minutes) 4/5
10 minutes 1/10
20 minutes 1/20
30 minutes 1/20
~~~~~~~~~~~~~~~~~~~~

mean lateness =  +  +  +  = 0 + 1 + 1 + 1.5 = 3.5 minutes.

Nothing complicated - simply use the definition of the mean value of the given distribution.

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