s

XXZ

nZX

21

n

XZ

nZX

21

nnZXZX

21

21

ns

ns ZXZX

21

21

Binomial ( proporsi )

s

XXZ

npq

npXZ

npq

npxZ

npq

nx p

Z

npq

nx

npq

nx ZpZ 2

121

npq

nx Zp 21

npq

nx p

Z

Untuk Dua Populasi

2

2

2

1

2

1

21

2

2

2

1

2

1

21 )()( 212121 n

sns

ns

ns

ZXXZXX

ns

ns ZXZX

21

21

npq

nx

npq

nx ZpZ 2

121

2

22

1

11

21

2

2

1

1

2

22

1

11

21

2

2

2

1 )()( 21 nqp

nqp

nx

nx

nqp

nqp

nx

nx

ZppZ