Mathematics, 16.04.2020 16:07 barattah
Dr. Ashby is studying the heart rate of adult men. Preliminary data suggests that the standard deviation of heart rates for adult men is Ο = 7.5 Ο=7.5sigma, equals, 7, point, 5 beats per minute (bpm). He plans on taking a sample of n nn men to construct a 99 % 99%99, percent confidence interval for the mean heart rate. He wants the margin of error to be no more than 3 bpm 3 bpm3, start text, space, b, p, m, end text.
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Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?
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Dr. Ashby is studying the heart rate of adult men. Preliminary data suggests that the standard devia...
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