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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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emeraldisle emeraldisle
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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

Q. 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

Q. 3

________ is the quartile representing the 50th percentile.
 
  A) Q1
  B) Q2
  C) Q3
  D) Q4

Q. 4

If the number of customers in the system is 10, the number of customers in the queue is 9, and the arrival rate is 2 customers per minute, determine the average customer service rate.
 
  A) 2 customers per minute
  B) 1 customer per minute
  C) 1.25 customers per minute
  D) 1.5 customers per minute

Q. 5

What is the degrees of freedom value for Blocks?
 
  A) 8
  B) 2
  C) 4
  D) 5
Textbook 
Statistics, Data Analysis, and Decision Modeling

Statistics, Data Analysis, and Decision Modeling


Edition: 5th
Author:
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zl1993zl1993
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emeraldisle Author
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6 years ago
Thank you, thank you, thank you!
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