In this exercise, a two-way table is shown for two groups, 1 and 2, and two possible outcomes, A and B. Enter the exact answers. (a) What proportion of all cases had Outcome A? (b) What proportion of all cases are in Group 1? i (c) What proportion of cases in Group 1 had Outcome B? Group 1 Group 2 Total Outcome A Outcome B Total 20 80 100 180 120 300 200 200 400

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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In this exercise, a two-way table is shown for two groups, 1 and 2, and two possible outcomes, A and B.
Enter the exact answers.
(a) What proportion of all cases had Outcome A?
i
(b) What proportion of all cases are in Group 1?
i
(c) What proportion of cases in Group 1 had Outcome B?
M.
Group 1
Group 2
Total
Outcome A Outcome B
20
80
100
180
120
300
Total
200
200
400
Transcribed Image Text:In this exercise, a two-way table is shown for two groups, 1 and 2, and two possible outcomes, A and B. Enter the exact answers. (a) What proportion of all cases had Outcome A? i (b) What proportion of all cases are in Group 1? i (c) What proportion of cases in Group 1 had Outcome B? M. Group 1 Group 2 Total Outcome A Outcome B 20 80 100 180 120 300 Total 200 200 400
(d) What proportion of cases who had Outcome A were in Group 2?
Transcribed Image Text:(d) What proportion of cases who had Outcome A were in Group 2?
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