p1

p2

r1

r2

Margin of error

3

3

0.923

0.923

0.769

5

5

0.952

0.952

0.605

5

10

0.952

0.976

0.526

5

20

0.952

0.988

0.480

10

10

0.976

0.976

0.433

10

15

0.976

0.984

0.396

10

20

0.976

0.988

0.376

15

15

0.984

0.984

0.355

15

20

0.984

0.988

0.332

20

20

0.988

0.988

0.308

50

50

0.995

0.995

0.196

100

100

0.998

0.998

0.138