α=19, β=0.95\alpha =19,\ \beta =0.95α=19, β=0.95
α=0.95, β=19\alpha =0.95,\ \beta =19α=0.95, β=19
α=0.90, β=18\alpha =0.90,\ \beta =18α=0.90, β=18
None\text{None}None