Author Question: If the number of customers in a queue is 8, the arrival rate is 2 customers per minute, and the ... (Read 38 times)

Charlie

  • Hero Member
  • *****
  • Posts: 640
If the number of customers in a queue is 8, the arrival rate is 2 customers per minute, and the customer service rate is 4 customers per minute, what is the average number of customers in the system?
 
  A) 10 customers
  B) 12 customers
  C) 8.5 customers
  D) 10.5 customers

Question 2

Stratified random sampling ________.
 
  A) eliminates homogeneous sampling error
  B) is used with populations that are naturally divided into subsets
  C) has the drawback of introducing sampling bias
  D) allocates sampling error disproportionately



Moriaki

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

C

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

For a complete list of videos, visit our video library