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Mathematics 7 Online
OpenStudy (anonymous):

Medal and fan In a school of 1250 students, 250 are freshmen and 150 students take Spanish. The probability that a student takes Spanish given that he/she is a freshman is 30%. What is the probability that a randomly selected student is a freshman given that he/she takes Spanish? A) 20% B) 30% C) 50% D) 67%

OpenStudy (anonymous):

@agent0smith

OpenStudy (anonymous):

@welshfella @radar

OpenStudy (anonymous):

50%

OpenStudy (anonymous):

Can you explain how you got that? I want to learn it too

OpenStudy (anonymous):

Give me a sec and then yes

OpenStudy (anonymous):

Ok

OpenStudy (anonymous):

30% of freshman take Spanish, meaning there are 75 freshman Spanish students. So, out of all 150 Spanish students, 75, or 50% are freshmen.

OpenStudy (anonymous):

Oh! Okay, thanks. That makes it a lot simpler. :)

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