each item is used exactly once. For example one way to answer this problem is A4, B2, C1, D3. 1. What are all the possible ways she could answer this problem? 2. The actual solution is A1, B2, C3, D4. If Elena was equally likely to guess any answer, use the sample space to find: 1. The probability of getting exactly O items matched correctly. 2. The probability of getting exactly 1 item matched correctly. 3. The probability of getting exactly 2 items matched correctly. 4. The probability of getting exactly 3 items matched correctly. 5. The probability of getting exactly 4 items matched correctly.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Elena is answering a matching practice problem where she has to match each of 4 items in a left column (A, B, C, D) to 4 items on the right (1, 2, 3, 4) so th
each item is used exactly once. For example one way to answer this problem is A4, B2, C1, D3.
1. What are all the possible ways she could answer this problem?
2. The actual solution is A1, B2, C3, D4. If Elena was equally likely to guess any answer, use the sample space to find:
1. The probability of getting exactly O items matched correctly.
2. The probability of getting exactly 1 item matched correctly.
3. The probability of getting exactly 2 items matched correctly.
4. The probability of getting exactly 3 items matched correctly.
5. The probability of getting exactly 4 items matched correctly.
Transcribed Image Text:Elena is answering a matching practice problem where she has to match each of 4 items in a left column (A, B, C, D) to 4 items on the right (1, 2, 3, 4) so th each item is used exactly once. For example one way to answer this problem is A4, B2, C1, D3. 1. What are all the possible ways she could answer this problem? 2. The actual solution is A1, B2, C3, D4. If Elena was equally likely to guess any answer, use the sample space to find: 1. The probability of getting exactly O items matched correctly. 2. The probability of getting exactly 1 item matched correctly. 3. The probability of getting exactly 2 items matched correctly. 4. The probability of getting exactly 3 items matched correctly. 5. The probability of getting exactly 4 items matched correctly.
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