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
The frequency of competition according to the number of species involved.
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Consider the production function ( ) 0.5 0.5 Y = AK L . Suppose both saving rate (s) and the ...