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var a = new Array();
var b = new Array();
var point = new Array();
function sample(){
n = 10;
r = 2;
p = 0.5;
q = 0.5;
a[0] = 1;
a[1] = n;
for (s = 2; s < n+1; s++) {
a[s] = a[s - 1] * (n - s + 1);
}
b[0] = 1;
b[1] = 1;
for (s = 2; s < n+1; s++) {
b[s] = b[s - 1] * s;
}
for (tr = 0; tr < 11; tr++) {
p1 = 1;
for (s = 1; s < r + 1; s++) {
p1 = p1 * p;
}
for (s = 1; s < n - r + 1; s++) {
p1 = p1 * q;
}
point[tr] = a[tr] * p1 / b[tr];
}
p1 = point[0] + point[1] + point[2] + point[3] + point[4];
$("#memo").html(p1);
}
最終更新：2016年03月08日 21:28
