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gwd3-4

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. (E)

why not C?

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就是给了2个下限,没用的啊。
把所有的困苦都看做是有意义的,是生命对你的磨练,也许,是为了让你成大事而做准备。

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最低的平均收入出现在人口数的上限和总收入的下限,两个都是下限求不出来的。

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