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Mathematics
Problem
Calculate standard error (
p
1
−
p
2
p_1 - p_2
p
1
−
p
2
): Given
P
1
=
0.86
P_1 = 0.86
P
1
=
0.86
,
P
2
=
0.90
P_2 = 0.90
P
2
=
0.90
,
n
1
=
40
n_1 = 40
n
1
=
40
,
n
2
=
38
n_2 = 38
n
2
=
38
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