Calculus and Above

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Use the sample data and confidence level given below to
Use the sample data and confidence level given below to complete parts​ (a) through​ (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the​ poll, n equals … read more
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Use the sample data and confidence level given below to
Use the sample data and confidence level given below to complete parts​ (a) through​ (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the​ poll, n equals … read more
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Use the sample data and confidence level given below to
Use the sample data and confidence level given below to complete parts​ (a) through​ (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the​ poll, n equals … read more
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The FBI wants to determine the effectiveness of their 10
The FBI wants to determine the effectiveness of their 10 Most Wanted list. To do so, they need to find out the fraction of people who appear on the list that are actually caught.Step 1 of 2 : Suppose … read more
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Find the critical value that should be used in constructing
Find the critical value that should be used in constructing the confidence interval for same data set. Round your answer to three decimal places.… read more
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A quality-conscious disk manufacturer wishes to know the
A quality-conscious disk manufacturer wishes to know the fraction of disks his company makes which are defective.Step 1 of 2 : Suppose a sample of 322 floppy disks is drawn. Of these disks, 306 were n… read more
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A research company desires to know the mean consumption of
A research company desires to know the mean consumption of milk per week among males over age 45. A sample of 1842 males over age 45 was drawn and the mean milk consumption was 4.9 liters. Assume that… read more
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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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3. A research institute polled asked repondents if they acted
3. A research institute polled asked repondents if they acted to annoy a bad driver. In the poll n=2410 and x=1020 who said that they honked. Use 95% confidence level. a. find the best point estimate … read more
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Question 10 - A random sample of size n= 20 was drawn from
Question 10 - A random sample of size n= 20 was drawn from a population of size N= 200. The measurements shown in the table below were obtained. 38 24 49 24 29 22 52 25 40 51 26 40 26 38 51 40 48 41 4… read more
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1. In a week before and the week after a holiday, there were
1. In a week before and the week after a holiday, there were 10,000 total deaths, and 4952 of them occurred in the week before the holiday. a. Construct a 95% confidence interval estimate of the propo… read more
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A researcher wishes to estimate, with 95% confidence, the proportion
A researcher wishes to estimate, with 95% confidence, the proportion of adults who have high-speed Internet access. Her estimate must be accurate within the 2% of the true proportion. a. Find the mini… read more
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Stevewh
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Let p be the population proportion for the following condition.
Let p be the population proportion for the following condition. Find the point estimates for p and q. In a survey of 1543 adults from country A, 641 said that they were not confident that the food the… read more
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A sanitation department is interested in estimating the mean
A sanitation department is interested in estimating the mean amount of garbage per bin for all bins in the city. In a random sample of 40 bins, the sample mean amount was 47 pounds and the sample stan… 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=0.95, 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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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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Find the mean for the given sample data. Unless indicated otherwise,
Find the mean for the given sample data. Unless indicated otherwise, round your answer to one more decimal place than is present in the original data values. The students in Hugh Logan's math class to… 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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