SOLUTION: An oil exploration firm finds that 5% of the test wells it drills yield deposit of natural gas. If it drills 6 wells, find the probability that at least one well will yield gas.
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Question 1182472: An oil exploration firm finds that 5% of the test wells it drills yield deposit of natural gas. If it drills 6 wells, find the probability that at least one well will yield gas.
Answer by greenestamps(13215) (Show Source): You can put this solution on YOUR website!
P(at least one of 6) = 1 - P(none of 6)
P(none of 6) = (1-0.05)^6 = (0.95)^6
ANSWER: 1-(0.95)^6
Use a calculator....
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