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%

Question

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%

johnson13.sms · Answer

a

mathmale · Answer

Have you, Mouth, tried constructing a 2-way table (otherwise known as a conditional probability table)?  It's important that you know precisely where your answer came from, and how.