Расчет: 8NgmCa - 1
P_n* (k) =
C(k;n)* p^k* q^(n-k)
P_n* (k) = C(k;n)* p^k* q^(n-k)Pn⋅(k) = Cnk⋅pk⋅q(n−k) 
P_n* k = n!* p^k* q^(n-k) |
|
/ (n-k)!/ k! |
Pn⋅k = (n−k)!⋅k!n!⋅pk⋅q(n−k) 
P_n = n!* p^k* q^(n-k) |
|
/ (n-k)!/ k!/ k |
Pn = (n−k)!⋅k!⋅kn!⋅pk⋅q(n−k) 
P_n = n!* p^k* q^(n-k) |
|
/ (n-k)!/ k/ k! |
Pn = (n−k)!⋅k⋅k!n!⋅pk⋅q(n−k) 