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1. Suppose that asthma affects 1 in 20 children in a population. You take a simple random sample of 300 children from this population.
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1. Suppose that asthma affects 1 in 20 children in a population. You take a simple random sample of 300 children from this population.

User Oz
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Answer: 15

Explanation: since it affects only 1 out of 20, you can divide 300 by 20 which equals 15
User Nidhi Shah
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