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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?
 2 years ago
 2 years ago
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?
 2 years ago
 2 years ago

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mathmateBest ResponseYou've already chosen the best response.2
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+)=1P(0)
 2 years ago

jesusfreakBest ResponseYou've already chosen the best response.0
What would the answer be in percent?
 2 years ago

mathmateBest ResponseYou've already chosen the best response.2
P(0)=(3/5)^3= 0.216 so P(1+)=1P(0)=0.784
 2 years ago
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