Asked by Jade
Of all the grade 12 students in a school, 27% take Science Fiction, 34% take Data Management and 9% take both courses. Given that a student is taking Science Fiction, what is the probability that they are also taking Data Management? Also, is this a mutually exclusive event? Feel free to do this by hand and upload your image.
Answers
Answered by
oobleck
Disregard the actual number of students. Consider a group of 100 students divided up the same way
9 of the 27 SF students take DM. So, the probability is 33%
9 of the 27 SF students take DM. So, the probability is 33%
Answered by
Jade
what do you mean by divided up the same way?
Answered by
Jade
I'm sorry but do you mind explaining how you got 33%
Answered by
Damon
27% means 27 out of 100
assuming 100 total makes it easy.
9 out of the 27 take both
(9/27) * 100 = 33.33333333 %
which is about 33%
assuming 100 total makes it easy.
9 out of the 27 take both
(9/27) * 100 = 33.33333333 %
which is about 33%
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