Question
Consider the following 3 x 4 contingency table in which a sample of 1400 companies is summarized in terms of the company's industry type (X,
Consider the following 3 x 4 contingency table in which a sample of 1400 companies is summarized in terms of the company's industry type (X, Y, or Z) and geographic location (A, B, C, or D). QUESTION:What is P(A and Y)?
| A | B | C | D | |
| X | 124 | 110 | 108 | 114 |
| Y | 130 | 106 | 122 | 112 |
| Z | 128 | 118 | 112 | 116 |
Propose the following contingency table for inches of precipitation last year Cincinnati:
| Inches snow | Inches rain | |
| January | 3.2 | 3.0 |
| February | 3.4 | 2.8 |
| March | 1.8 | 4.0 |
| April | 0.2 | 3.9 |
| May | 0 | 4.9 |
| June | 0 | 4.0 |
| July | 0 | 3.8 |
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Elementary Number Theory
Authors: Charles Vanden Eynden
2nd Edition
1478639113, 9781478639114
