Calculus and Above

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A doctor wants to estimate the HDL cholesterol of all​ 20-
A doctor wants to estimate the HDL cholesterol of all​ 20- to​ 29-year-old females. How many subjects are needed to estimate the HDL cholesterol within 3 points with 99 % confidence assuming sigma equ… read more
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In a survey of 2596 ​adults, 1400 say they have started
In a survey of 2596 ​adults, 1400 say they have started paying bills online in the last year. Construct a​ 99% confidence interval for the population proportion. Interpret the results. … read more
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3. A research institute polled asked repondents if they acted
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1.) In order to estimate the mean amount of time computer users
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"For Guru2009 only" 1. A random sample of fifty-five 200-meter
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A researcher wishes to estimate, with 95% confidence
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You answered similar questions previously but the data has
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1) 29% of college students say they use credit cards because
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A researcher wishes to estimate, with 95% confidence, the proportion
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Let p be the population proportion for the following condition.
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Please help with these 17 questions!! 1. Find the margin of
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1. 36 randomly picked people were asked if they rented or owned
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An election poll reported that a candidate had an approval
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Find the margin of error for the given values of c, s, and
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16. In a survey of 630 males ages 18-64, 391 say they have
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Hi there, My company has twenty customers who buy our product.
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