[tex]500 = \frac{1}{3} \pi {12 \times 12}^{2} - id50013121221248592, dquezada21

Ответ:

mathbrain58

10.07.2020

Mathematics

The solution of your problem is shown on the picture below.
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Ответ:

diggy72

21.07.2021

Mathematics

12.4%

Step-by-step explanation:

The results from the random sample counts 124 from a total of 1000 people that wear contact lenses. This means $\frac{124}{1000} =0.124=12.4\%$ is the percentageof the people in the sample that wear contact lenses.Because it is a random sample, it is suppose to reflect the behavior of the total population. Then we can expect or predict similar percentage of Americans wearing contact lenses (12.4%).

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$500 = \frac{1}{3} \pi {12 \times 12}^{2}$

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