Calculus and Above

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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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136 students at a college were asked whether they had
136 students at a college were asked whether they had completed their required English 101 course, and 102 students said "yes". Construct the 90% confidence interval for the proportion of students at … read more
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What is the minimal sample size needed for a 95% confidence
What is the minimal sample size needed for a 95% confidence interval to have a maximal margin of error of 0.1 in the following scenarios? (For each answer, enter a number. Round your answers up the ne… read more
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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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Find the minimum sample size n needed to estimate mu for the
Find the minimum sample size n needed to estimate mu for the given values of​ c, sigma​, and E. cequals0.90​, sigmaequals6.8​, and Eequals2 Assume that a preliminary sample has at least 30 members. ne… read more
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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
Sleep – College Students: 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 hours. You randomly select 35 college stu… read more
Sandhya_sharma
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Student Debt – Vermont: The average student loan debt of a
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Sleep – College Students: Suppose you perform a study about
Sleep – College Students: 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 hours. You randomly select 35 college stu… read more
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Salmon Weights: Assume that the weights of spawning Chinook
Salmon Weights: Assume that the weights of spawning Chinook salmon in the Columbia river are normally distributed. You randomly catch and weigh 18 such salmon. The mean weight from your sample is 22.2… read more
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Sleep – College Students: Suppose you perform a study about
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Multiple Choice Strategy: Some students have suggested that
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Looking to get some help with my stats homework. Heres a
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Please help with these 17 questions!! 1. Find the margin of
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Find the margin of error for the given values of c, s, and
Find the margin of error for the given values of c, s, and n. C=0.95, s=2.3, n=49 E=_________ (Round to three decimal places as needed) Construct the confidence interval for the population mean µ. C= … read more
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Find the margin of error for the given values of c, s, and
Find the margin of error for the given values of c, s, and n. C=0.90, s=3.9, n=49 E=_________ (Round to three decimal places as needed) Construct the confidence interval for the population mean µ. C= … read more
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16. In a survey of 630 males ages 18-64, 391 say they have
16. In a survey of 630 males ages 18-64, 391 say they have gone to the dentist in the past year. Construct 90% and 95% confidence intervals for the population proportion. Interpret the results and com… read more
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1.Assume that the weight loss for the first month of a diet
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