At a university, 73% of the students are undergraduates. If there are 6,700 students, how many of them
are undergraduates?
A
489
B
1,809
C
4,891
D
181

Solved

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Ответ:

slavenkaitlynn

11.10.2021

Mathematics

$p \± ME$ $\to$ $71.2\% \± 7.9\%$

Step-by-step explanation:

Given

$(63.3\%,79.1\%)$

Required

Express in form of: $p \± ME$

First, calculate the midpiont (p)

$p = \frac{63.3\% + 79.1\%}{2}$

$p = \frac{142.4\%}{2}$

$p = 71.2\%$

The margin of error (ME) is:

$ME =79.1\% - 71.2\%$

$ME =7.9\%$

So, we have:

$p \± ME$ $\to$ $71.2\% \± 7.9\%$

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At a university, 73% of the students are undergraduates. If there are 6,700 students, how many of them are undergraduates? A 489 B 1,809 C 4,891 D 181