The probability that a lab specimen contains high levels of contamination is 0.15. A group of 4 independent samples are checked.
Round your answers to four decimal places (e.g. 98.7654). (a) What is the probability that none contain high levels of contamination
1 answer:
Answer:
0.5220
Step-by-step explanation:
Since the probability of contamination is 0.15, the probability of no contamination is 1 - 0.15 = 0.85
The probability that they are all contaminated will be 0.85 * 0.85 0.85 * 0.85 = 0.52200625
This is 0.5220 to four decimal
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