Mialock7677
13.10.2020 •
Mathematics
Reasonable definitions of the decision variables are:
a) x subscript 11 household without children under 16 and without premium subscription
x subscript 12 household without children under 16 but with premium subscription
x subscript 21 household with children under 16 but without premium subscription
x subscript 22 household with children under 16 and with premium subscription
b) x subscript 11 number of interviewed households without children under 16 and without premium subscription
x subscript 12 number of interviewed households without children under 16 but with premium subscription
x subscript 21 number of interviewed households with children under 16 but without premium subscription
x subscript 22 number of interviewed households with children under 16 and with premium subscription
c) x subscript 11 cost of interviewing a household without children under 16 and without premium subscription
x subscript 12 cost of interviewing a household without children under 16 but with premium subscription
x subscript 21 cost of interviewing a household with children under 16 but without premium subscription
x subscript 22 cost of interviewing a household with children under 16 and with premium subscription
d) All of the above are reasonable definitions.
e) None of the above.
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Ответ:
The correct answer is A.
Step-by-step explanation:
Decision variable are the numbers which are determined by the decision makers. This enables to identify the different possible events that might occur. The decision makers then select a number and identifies the possible occurrence of the events.
Ответ:
radius is 1/2 the diameter. so 8/2= 4 kilometers