davinioza
contestada

( CORRECT ANSWER GETS BRAINLIEST AND FULL RATINGS. )

A phone survey about university tuition has a margin of error of +/-2%.
What is the range of number of people who think tuition is too high at the university if 2004 of the 3421 students said it was and there are about 20,000 students at the university?

A) 11,282 to 11,950 students
B) 11,482 to 11,550 students
C) 11,782 to 11,950 students
D) 11,482 to 11,950 students

Respuesta :

D) 11,482 to 11,950 students
1st take 2004/3421 * 100% = 58.6% this the percentage of the poll

IF it is +/- 2% then the range is 56.6% to 60.6%

So...
20000 * 0.566 = 11320 - low range
20000 * 0.606 = 12120 - upper range

The closest interval to my numbers is A

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