Which features form the longest mountain range on Earth? A. the mid-ocean ridges B. the deep-ocean trenches C. the Rockies D. th
2 answers:
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Answer:
students at the university who speak three or more languages is 2082
Explanation:
given data
students = 31230
random sample = 255
speak three or more languages = 17
solution
we consider here numbers of students at university who speak three or more language = x
so here we will use proportions
=
........................1
solve it we get
x = 2082
so here students at the university who speak three or more languages is 2082