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Krissy has 3 arrows. The probability of her hitting the target is 2/5. What is the probability that she will get at least one arrow on the target?

Mathematics
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At least one means she does not miss all, which is easier to calculate. Probability of missing all three is P(0)=(3/5)^3 so P(1+)=1-P(0)
What would the answer be in percent?
P(0)=(3/5)^3= 0.216 so P(1+)=1-P(0)=0.784

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