Find the indicated probability. 12. In a blood testing procedure, blood samples from 5 people are combined into one mixture. The mixture will only test negative if all the individual samples are negative. If the probability that an individual sample tests positive is .o3, what is the probability that the mixture will test positive?

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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Find the indicated probability.
12. In a blood testing procedure, blood samples from 5 people are combined into one
mixture. The mixture will only test negative if all the individual samples are
negative. If the probability that an individual sample tests positive is .03, what is
the probability that the mixture will test positive?
13. In a batch of 8,000 clock radios 2% are defective. A sample of 10 clock radios is
randomly selected without replacement from the 8,000 and tested. The entire
batch will be rejected if at least one of those tested is defective. What is the
probability that the entire batch will be rejected?
Transcribed Image Text:Find the indicated probability. 12. In a blood testing procedure, blood samples from 5 people are combined into one mixture. The mixture will only test negative if all the individual samples are negative. If the probability that an individual sample tests positive is .03, what is the probability that the mixture will test positive? 13. In a batch of 8,000 clock radios 2% are defective. A sample of 10 clock radios is randomly selected without replacement from the 8,000 and tested. The entire batch will be rejected if at least one of those tested is defective. What is the probability that the entire batch will be rejected?
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