Mathematics, 24.12.2019 06:31 kitam2871
In a study, we see that the average number of close confidants in a random sample of 2006 us adults is 2.2 with a standard deviation of 1.4 . if we want to estimate the number of close confidants with a margin of error within and with 90% confidence, how large a sample is needed? r
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Mathematics, 21.06.2019 16:30
Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?
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Mathematics, 21.06.2019 19:20
Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?
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Mathematics, 21.06.2019 21:10
Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)
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Mathematics, 21.06.2019 21:30
Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3
Answers: 1
In a study, we see that the average number of close confidants in a random sample of 2006 us adults...
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