Question: A blood-testing procedure is made more efficient by combining samples of blood specimens. If samples from 5 people are combined, the mixture will test positive

A blood-testing procedure is made more efficient by combining samples of blood specimens. If samples from 5 people are combined, the mixture will test positive except if all 5 individual samples are negative. Find the probability of a positive result for 5 samples combined into 1 mixture, assuming the probability of an individual blood sample testing positive is 0.015.

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