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Task/Probabilistic-choice/Phix/probabilistic-choice.phix

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+constant {names, probs} = columnize({{"aleph",  1/5},
+                                     {"beth",   1/6},
+                                     {"gimel",  1/7},
+                                     {"daleth", 1/8},
+                                     {"he",     1/9},
+                                     {"waw",    1/10},
+                                     {"zayin",  1/11},
+                                     {"heth",   1759/27720}})
+
+sequence results = repeat(0,length(names))
+
+atom r
+constant lim = 1000000
+for j=1 to lim do
+    r = rnd()
+    for i=1 to length(probs) do
+        r -= probs[i]
+        if r<=0 then
+            results[i]+=1
+            exit
+        end if
+    end for
+end for
+
+printf(1,"  Name   Actual Expected\n")
+for i=1 to length(probs) do
+    printf(1,"%6s %8.6f %8.6f\n",{names[i],results[i]/lim,probs[i]})
+end for