Question

A university has 33,120 students. In a random sample of 195 students, 13 speak three or more languages. Predict the number of students at the university who speak three or more languages.

Answer 1

2,208 students

Explanation:

Here's why: Using proportions.

13. x

--- =. ----

195. 33,120

Cross multiply

13 x 33,120 = 430,560

195 multiply x = 195x

430,560 divided by 195 = 2,208x = 2,208 students