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Sajjad1994
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Sajjad1994
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Nsingh06
In question 1, can someone please help explain why the number of vagrants in the Chinese population is “No” when the passage states “about 80 million unmarried, low-status, adult males who have no family ties and perceive that they have nothing to lose.

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The section of the passage you quoted specifically refers to the transient male subset of the population. It can be inferred from the passage and the wording of the sentence that the population of 80 million males may not be the full population of vagrants - the vagrant population could include women as well, while the passage only mentions a subset of 80 million men.
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Can you please provide the solution for question 3?
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pooh.2304
Can you please provide the solution for question 3?

Official Explanation

3. Suppose that over the next 10 years, for every 100 female children born the number of male births reaches 160. If all of the information in the three sources is accurate, the number of male births for every female birth would be closest to ________.

Difficulty Level: 550-600

Explanation

If there are 160 male births for every 100 female births, then for every 10 females born, 16 males would be born. Reducing the ratio further, for every 1 female born, 1.6 males would be born. This number is rounded up to 2 males for each female.

Answer: B
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Nsingh06
In question 1, can someone please help explain why the number of vagrants in the Chinese population is “No” when the passage states “about 80 million unmarried, low-status, adult males who have no family ties and perceive that they have nothing to lose.

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I think because it can be assumed that 80 million might become vagrants it's not mentioned every unmarried will become vagrant
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Sajjad1994
Source #2 indicates that since the introduction of the one-child policy, the fertility rate among Chinese women has dropped from just more than 3 births per woman to 1.8 births per woman. The percent decrease in the fertility rate can be determined based on this information. This is the only one of the three items that can be determined based on the sources provided.

So in question 2, how can we know how many male:female birth ratio in 2013? Shouldn't the answer be no?
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Questions 3:

males : females
160 : 100

simplifying the ratio ; 1.6 : 1
nearest(closest) value for 1.6 would be like rounding off, to get 2 males : 1 female birth.
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ayushchobs05
So in question 2, how can we know how many male:female birth ratio in 2013? Shouldn't the answer be no?

Read carefully!

From the first Tab: "From 2000 to 2013, the sex-ratio at birth has gradually climbed to 117:100 in favor of male births, meaning that for every 117 boys only 100 girls were born."
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