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A survey is conducted among 12.5% of the people in New York City to check whether they agree with the Electoral College system. If the population of New York City is 8 million, then find the sample size.

Answer :

We are given that a survey has a population of 8000000. If the sample size is 12.5% of that population, then we can calculate the number of people that were surveyed using the following relationship:

[tex]8000000\times\frac{12.5}{100}[/tex]

Solving the operations we get:

[tex]\frac{(8000000)(12.5)}{100}=\frac{100000000}{100}=1000000[/tex]

Therefore, the sample size is 1 million.

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