Question: A single worker is able to serve 10 customers per hour at a help desk. An average of 7 customers arrive at the desk each
A single worker is able to serve 10 customers per hour at a help desk. An average of 7 customers arrive at the desk each hour to be served. 4. What is the average number of customers at the help desk (in line or being served)?
Group of answer choices
0.10
4.67
2.33
1.33
14.0
5. Sylvia can observe the help desk from a different department. When Sylvia looks over at the help desk, what is the probability she will see either 3 or 4 customers there (in line or being served)?
0.175
0.0861
0.302
0.194
0.227
6. What is the average time a customer spends waiting in line?
10.0 minutes
14.0 minutes
7.8 minutes
6.0 minutes
8.2 minutes
7. What is the average time required to serve a customer?
10.0 minutes
14.0 minutes
7.8 minutes
6.0 minutes
8.2 minutes
8. What is the probability more than 1 customer will arrive at the desk in the next hour? Remember to start counting significant digits after zeros (0.0001234 is four significant digits).
0.0541
0.993
0.872
0.369
0.950 9. Niko is going to the help desk. What is the probability he will find more than 1 customer waiting in line?
0.343
0.201
0.540
0.194
Hints: a) A customer approaching a waiting line system is not a part of that system. b) If one customer is waiting in line, then there are two customers in the system (the other customer is currently being served).
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