m

1

2

3

0.084170

0.084467

0.084467

To meet the conditions of proportion p

13/15 = 0.87

13/15 = 0.87

14/15 = 0.93

n

1

2

3

6

To meet the conditions of proportion p

10/15 = 0.67

9/15 = 0.60

10/15 = 0.67

6/15 = 0.446