Answer: the sample is not representative of the community.
Explanation:
Online surveys or surveys in general are made to obtain relevant information about a particular issue. If samples are not representative of that issue, they end up having little use.
Answer:
int state[] = new int[8];
Answer/Explanation:
It is best to use Performance Monitor and Process counters to observe performance.
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Answer:
Following are the response to the given question:
Explanation:
The glamorous objective is to examine the items (as being the most valuable and "cheapest" items are chosen) while no item is selectable - in other words, the loading can be reached.
Assume that such a strategy also isn't optimum, this is that there is the set of items not including one of the selfish strategy items (say, i-th item), but instead a heavy, less valuable item j, with j > i and is optimal.
As
, the i-th item may be substituted by the j-th item, as well as the overall load is still sustainable. Moreover, because
and this strategy is better, our total profit has dropped. Contradiction.