SOLUTION: Suppose a math class 31 students, 16 females (two of whom speak French) and 15 males (three of whom speak French).
Find the probability that a randomly selected student speaks Fre
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Question 1182348: Suppose a math class 31 students, 16 females (two of whom speak French) and 15 males (three of whom speak French).
Find the probability that a randomly selected student speaks French, given that the student is female.
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Found 2 solutions by Boreal, greenestamps:
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
Make a table
----Speak + Speak - Total
M----3-------12------15
W----2-------14------16
Tot---5-------26------31
Given female (16), 2 or 1/8 speak French.
Answer by greenestamps(13206) (Show Source): You can put this solution on YOUR website!
The numerator of the probability fraction is the number of students who are female and speak French, which is 2; the denominator is the number who are female, which is 16.
P(speaks French, given female) = 2/16 = 1/8
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