Lymnozyme cures most infections in Koi fish caused by bacteria; in fact, it has been shown to be 91% effective if used according to the directions. If 5 Koi with a bacterial infection are treated, what is the probability that 4 of the fish are cured?
?
A. 0.3086
B. 0.3261
C. 0.8837
D. 0.3076
E. 0.3055
Answer: A
Mathematics
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