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18-01-2018
Mathematics

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Suppose 20% of the students on campus smoke. you select two students at random. in what percentage of samples will both students be smokers?

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sqdancefan sqdancefan

19-12-2018

Answer:

4%

Step-by-step explanation:

The probability that two smoke is the product of the probabilities that each smokes, provided the students are selected independently.

... 0.20 × 0.20 = 0.0400 = 4%

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