The number of cars arriving at Patti Miless Car Wash, in Orono, Maine, during the last 200

Question:

The number of cars arriving at Patti Miles’s Car Wash, in Orono, Maine, during the last 200 hours of operation is observed to be the following:
Number of Cars Arriving . Frequency
3 or fewer ....... 0
4 ........... 20
5 ........... 30
6 ........... 50
7 ........... 60
8 ........... 40
9 or more ........ 0
200
Set up a probability and cumulative- probability for the variable of car arrivals.
Establish random- number intervals for the variable.
Simulate 15 hours of car arrivals and compute the average number of arrivals per hour. Select the random numbers needed from column 1, Table F. 4, beginning with the digits 52.

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