P(A then B)=0.066667; P(B then A)=0.083333
P(set A,B)=0.150000; normalized product=0.181818
first-choice probabilities = [0.166667, 0.333333, 0.5]
included in two draws = [0.416667, 0.733333, 0.85]
sum of inclusion probabilities = 2.0
checks=PASS; report.json written
