p
^
=
exp
(
b
0
+
b
1
X
1
+
b
2
X
2
+
...
+
b
p
X
p
)
1
+
exp
(
b
0
+
b
1
X
1
+
b
2
X
2
+
...
b
p
X
p
)
Description:
Math equation.