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A university has 29,970 students. In a random sample of 285 students, 19 speak three or more languages. Predict the number of students at the university who speak three or more …

A university has 29,970 students. In a random sample of 285 students, 19 speak three or more languages. Predict the number of students at the university who speak three or more …
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A university has 29,970 students. In a random sample of 285 students, 19 speak three or more languages. Predict the number of students at the university who speak three or more languages

User Yevhenii Shlapak
by
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1 Answer

4 votes
Set up a proportion.
Let x = the number of students in 29970 who speak 3 or more languages.

285/19 = 29970/x Cross multiply
285 x = 19 * 29970
285x = 569430
x = 569430/285
x = 5415 students speak 3 languages.
User Amay
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8.2k points
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