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13-12-2022
Mathematics

Answered

Language spoken at Home by U.S. Population.
In 2014 the percentage of the U.S. population that speak English only in the home is 78.9%.
Choose 15 U.S. people at random. What is the probability that exactly one-third of them speak English only? At least one-third? What is the probability that at least 9 do not speak English in the home?

Answer :

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