SOLUTION: You are studying a particular acne medicine that is associated with developing freckles in teens. You believe that this medicine causes freckles for 80% of the teens who use it,
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-> SOLUTION: You are studying a particular acne medicine that is associated with developing freckles in teens. You believe that this medicine causes freckles for 80% of the teens who use it,
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Question 1154089: You are studying a particular acne medicine that is associated with developing freckles in teens. You believe that this medicine causes freckles for 80% of the teens who use it, and you are interested in evaluating whether that’s true.
You aim to randomly gather 100 teens using this acne medicine and examine their skin. How many teens would you expect to have freckles? Why?