A test was given to a group of students. The grades and gender are summarized below A B. Total Male 16 13 19 48 Female 20 32 Total 19 22 39 80 a) If one student is chosen at random from those who took the test, find the probability that the student was male. b) If one student is chosen at random from those who took the test, find the probability that the student got a 'B' GIVEN they are male.

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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Question 11
A test was given to a group of students. The grades and gender are summarized below
A
B
Total
Male
16
13
19
48
Female
20
32
Total
19
22
39
80
a) If one student is chosen at random from those who took the test, find the probability that the student
was male.
b) If one student is chosen at random from those who took the test, find the probability that the student
got a 'B' GIVEN they are male.
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Transcribed Image Text:Question 11 A test was given to a group of students. The grades and gender are summarized below A B Total Male 16 13 19 48 Female 20 32 Total 19 22 39 80 a) If one student is chosen at random from those who took the test, find the probability that the student was male. b) If one student is chosen at random from those who took the test, find the probability that the student got a 'B' GIVEN they are male. > Next Question aplete
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