The difference between the transportation and assignment problems is that
a. total supply must equal total demand in the transportation problem
b. the number of origins must equal the number of destinations in the transportation problem
c. each supply and demand value is 1 in the assignment problem
d. there are many differences between the transportation and assignment problems
Question 2
A random sample of 31 charge sales showed a sample standard deviation of 50 . A 90 confidence interval estimate of the population standard deviation is _____.
a. 1,715.10 to 4,055.68
b. 1,596.45 to 4,466.73
c. 39.96 to 66.83
d. 41.39 to 63.68
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