Mathematics, 05.12.2019 03:31 iBrain
According to a recent survey, 50% of people aged 13 and older in the united states are addicted to texting. to simulate choosing a random sample of 20 people in this population and seeing how many of them are addicted to texting, use a deck of cards. shuffle the deck well, and then draw one card at a time. a red card means that person is addicted to texting; a black card means he isn’t. continue until you have drawn 20 cards (without replacement) for the sample.
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