Historically, the number of cars arriving per hour at Lundberg’sCar
Wash is observed to be the following:
| Number of Cars Arriving | Frequency |
|---|
| 4 | 10 |
|---|
| 5 | 30 |
|---|
| 6 | 50 |
|---|
| 7 | 65 |
|---|
| 8 | 45 |
|---|
| Total: | 200 |
|---|
a. Set up a probability distribution table (including the lowerend of
the probability range) for the car arrivals.
b. Simulate 25 hours of car arrivals. What is the average numberof
arrivals per hour?
c. Repeat part b multiple times (by pressing F9). Over whatrange
does the average number of arrivals vary?
d. Now simulate 500 hours of car arrivals. What is theaverage
number of arrivals per hour?
e. Repeat part d multiple times (by pressing F9) Over whatrange
does the average number of arrivals vary?
f. Do your answers for part c and e differ? Why or why not?
