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QUESTION
A mixture of three water samples will test positive for a contaminant if at least one of the samples contains it. If the contaminant is present in 7%...
A mixture of three water samples will test positive for a contaminant if at least one of the samples contains it. If the contaminant is present in 7% of samples, find the probability that:
1. The mixture tests positive: __________
2. The mixture tests negative: _________
