Before a Market Survey Is Done, There Is a 50/50

question 94

Short Answer

Before a market survey is done, there is a 50/50 chance that a new soccer supply store would be a success.The people doing the survey have determined that there is a 0.9 probability that the survey will be favorable given a successful store.There is also a 0.75 probability that the survey will be unfavorable given an unsuccessful store.What is the probability that the survey will be unfavorable?

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Definitions:

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