问问GWD-28-04 米有问过的

ConnieC · 发表于 2010-8-3 09:59:10

?Q4:
In a demographic study, the population and total income of a certain region were estimated from other data, and both estimates had lower and upper limits. At the time of the estimates, was the per capita income for the region greater than $16,500?
(1) The lower limit for the estimate of the population was 330,000 people.
(2) The lower limit for the estimate of the total income was $5,500,000,000.

答案是E，是不是因为需要用lower income/upper population 才能的到最低的capita income，然后与16500作比较才能得出结论，还是其他什么解法？先谢谢各位指点啦~！

alanuonuo · 发表于 2010-8-3 11:31:48

我认为你的想法很对哦～

ConnieC · 发表于 2010-8-3 16:02:04

OK谢谢

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