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Mathematics 13 Online
OpenStudy (anonymous):

In a class of 160 students, 90 are taking math, 78 are taking science, and 62 are taking both math and science. What is the probability of randomly choosing a student who is not taking science?

OpenStudy (anonymous):

\[\frac{ 90 }{ 150 }?\]

OpenStudy (anonymous):

its gotta be in percent form

OpenStudy (anonymous):

0.6

OpenStudy (anonymous):

Answer choices: A) 69% B) 44% C) 51% D) 49%

OpenStudy (anonymous):

It is A because the decimal comes to

OpenStudy (anonymous):

Given a mean of 259 and a standard deviation of 229.1, what is the z-score of the value 78 rounded to the nearest tenth?

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