Question: Composite Drug Screening Based on the data in Table 1, assume that the probability of a randomly selected person testing positive for drug use is

Composite Drug Screening Based on the data in Table 1, assume that the probability of a randomly selected person testing positive for drug use is 0.134. If drug screening samples are collected from 8 random subjects and combined, find the probability that the combined sample will reveal a positive result. Is that probability low enough so that further testing of the individual samples is rarely necessary?

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