Question #26 Giving a test to a group of students, the grades and shirt colors are summarized below A B C Total Red Shirt 7 9 3 19 Blue Shirt 12 20 17 49 Total 19 29 20 68 If one student is chosen at random, (a) Find the probability that the student has a Red Shirt GIVEN they got a 'B'. Round to 4 decimal places, if needed. (b) Find the probability that the student got a 'B' GIVEN they are wearing a Red Shirt. Round to 4 decimal places, if needed.
Question #26 Giving a test to a group of students, the grades and shirt colors are summarized below A B C Total Red Shirt 7 9 3 19 Blue Shirt 12 20 17 49 Total 19 29 20 68 If one student is chosen at random, (a) Find the probability that the student has a Red Shirt GIVEN they got a 'B'. Round to 4 decimal places, if needed. (b) Find the probability that the student got a 'B' GIVEN they are wearing a Red Shirt. Round to 4 decimal places, if needed.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter6: Ratio, Proportion, And Probability
Section6.7: Probability And Odds
Problem 2C
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Question #26
Giving a test to a group of students, the grades and shirt colors are summarized below
A | B | C | Total | |
Red Shirt | 7 | 9 | 3 | 19 |
Blue Shirt | 12 | 20 | 17 | 49 |
Total | 19 | 29 | 20 | 68 |
If one student is chosen at random,
(a) Find the
Round to 4 decimal places, if needed.
(b) Find the probability that the student got a 'B' GIVEN they are wearing a Red Shirt.
Round to 4 decimal places, if needed.
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