A test was given to a group of students. The grades and gender are summarized below A B C Total Male 12 8. 4. 24 Female 19 6 20 45 Total 31 14 24 69 a) If one student is chosen at random from those who took the test, find the probability that the student got a 'B'. b) If one student is chosen at random from those who took the test, find the probability that the student was male GIVEN they got a 'C'.
A test was given to a group of students. The grades and gender are summarized below A B C Total Male 12 8. 4. 24 Female 19 6 20 45 Total 31 14 24 69 a) If one student is chosen at random from those who took the test, find the probability that the student got a 'B'. b) If one student is chosen at random from those who took the test, find the probability that the student was male GIVEN they got a 'C'.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:• Question 25
A test was given to a group of students. The grades and gender are summarized below
A
Total
Male
12
8
4
24
Female
19
6.
20
45
Total
31
14
24
69
a) If one student is chosen at random from those who took the test, find the probability that the student
got a 'B'.
b) If one student is chosen at random from those who took the test, find the probability that the student
was male GIVEN they got a 'C'.
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