SOLUTION: The probability that mary can work a problem is 70%.Find the probability that mary cannot work the problem

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Question 1206494: The probability that mary can work a problem is 70%.Find the probability that mary cannot work the problem
Answer by ikleyn(52777) About Me  (Show Source):
You can put this solution on YOUR website!
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"Can not work" is the state/event complementary to "can work".


The  ANSWER  is  100% - 70% = 30%.

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