Mathematics, 31.10.2021 05:00, lekaje2375
The Arizona Department of Transportation wishes to survey state residents to determine what proportion of the population would like to increase statewide highway speed to 75 from 65 mph. At least how many residents do they need to survey if they want to be at least 99% confident that the sample proportion is within 0.03 of the true proportion
Answers: 3
Mathematics, 21.06.2019 22:00, victordguerrero2535
Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of
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Mathematics, 21.06.2019 23:30, jailinealvarado24
Simplify. 3(4+4x) (type your answer in with no spaces)
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Mathematics, 22.06.2019 00:30, starfox5454
How many square centimeters of wrapping paper will be used to wrap the shoe box?
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