Appendix 5—table 2. The probability distribution of Y.
| Type | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| Y | (+,+) | (+,0) | (0,+) | (0,0) |
| Prob. | p11q00+p11q01+p10q01+p11q10+p01q10+p11q11+p10q11+p01q11+p00q11 | p10q00+p00q10+p10q10 | p01q00+p00q01+p01q01 | p00q00 |
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