Calculus and Above

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The percentage of high school graduates applying to multiple
The percentage of high school graduates applying to multiple colleges has been increasing over the past several years. According to an association in a certain​ region, 37​% of high school students ap… read more
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The cost of ink cartridges for inkjet printers can be
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Construct a​ 99% confidence interval to estimate the
Construct a​ 99% confidence interval to estimate the population mean using the data below. x=23 s=4.5 n=20 N=180 The​ 99% confidence interval for the population mean is ,. ​(Round to two decimal place… read more
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A​ country's education department reported that in 2015​,
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How often do college students engage in particular
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Student Debt – Vermont: The average student loan debt of a
Student Debt – Vermont: The average student loan debt of a U.S. college student at the end of 4 years of college is estimated to be about \$22,600. You take a random sample of 136 college students in t… read more
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Sleep – College Students: Suppose you perform a study about
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Sleep – College Students (Raw Data, Software Required):
Sleep – College Students (Raw Data, Software Required): Suppose you perform a study about the hours of sleep that college students get. You know that for all people, the average is about 7.0 hours per… read more
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Master's Degree
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Student Debt – Vermont (Raw Data, Software Required): The
Student Debt – Vermont (Raw Data, Software Required): The average student loan debt of a U.S. college student at the end of 4 years of college is estimated to be about \$22,400. You take a random sampl… read more
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Sleep – College Students: Suppose you perform a study about
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Salmon Weights: Assume that the weights of spawning Chinook
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Student Debt – Vermont: The average student loan debt of a
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Student Debt – Vermont: The average student loan debt of a
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Corn: In a prior sample of corn, farmer finds that 12% of
Corn: In a prior sample of corn, farmer Carl finds that 12% of the sample has worms but the margin of error for his population estimate was too large. He wants an estimate that is in error by no more … read more
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Pinworm: In a random sample of 830 adults in the U.S.A., it
Pinworm: In a random sample of 830 adults in the U.S.A., it was found that 80 of those had a pinworm infestation. You want to find the 95% confidence interval for the proportion of all U.S. adults wit… read more
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a random sample of four microwave ovens, the mean cost was
a random sample of four microwave ovens, the mean cost was &85.00 and the standard deviation was \$13.50. The 90% confidence interval for the population mean u is (_,_) (round to two decimal places as … read more
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1.Assume that the weight loss for the first month of a diet
1.Assume that the weight loss for the first month of a diet program varies between 6 pounds and 12 pounds, and is spread evenly over the range of possibilities, so that there is a uniform distribution… read more
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