Question 359201
P(good)={{{36/(17+36)=36/53}}}
P(bad)={{{17/(17+36)=17/53}}}
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P(at least one bad)+P(none bad)=1
P(at least one bad)=1-P(non bad)
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P(none bad)={{{(36/53)(36/53)(36/53)(36/53)=0.21287}}}
P(at least one bad)={{{1-0.21287}}}
P(at least one bad)={{{highlight(0.78713)}}}