x | 0 | 1 | 2 | 3 |
y | 1 | 3 | 5 | 7 |
A.5, 10, 15, 20 | B.2, 12, 22, 32 |
C.2, 14, 26, 38 | D.5, 15, 26, 38 |
| 甲流水线 | 乙流水线 | 合计 |
合格品 | | ||
不合格品 | | ||
合 计 | | |
0.15 | 0.10 | 0.05 | 0.025 | 0.010 | 0.005 | 0.001 | |
2.072 | 2.706 | 3.841 | 5.024 | 6.635 | 7.879 | 10.828 |
A. b与r的符号相同 | B.a与r的符号相同 |
C. b与r的相反 | D. a与r的符号相反 |
A.n<m | B.n>m | C.n=m | D.不能确定 |
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