Suppose 40% of the TV Sets in Use in the U.S

Short Answer

Suppose 40% of the TV sets in use in the U.S. on a particular night were tuned in to game 7 of the World Series.
If we were to take a sample of six in-use TV sets that night, what is the probability exactly three are tuned to the World Series?
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If, instead, the sample consisted of 15 in-use TVs, what is the probability five or more are tuned to the World Series?
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