Mathematics, 10.05.2021 14:00 juliapreciiado
We want to estimate the percentage of political figures who will make a social media
presence by posting an average of 1,000 posts per year next year. How many accounts
must we include in the sample next year, if we want our proportion estimate to be within
20 percentage points at a 90% level of confidence?
Answers: 1
Mathematics, 21.06.2019 17:00
Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²
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Mathematics, 21.06.2019 17:30
Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.
Answers: 2
We want to estimate the percentage of political figures who will make a social media
presence by p...
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