Calculus and Above

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Let p be the population proportion for the following
Let p be the population proportion for the following condition. Find the point estimates for p and q. In a survey of 1541 adults from country​ A, 243 said that they were not confident that the food th… read more
Neo
Neo
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Let p be the population proportion for the following
Let p be the population proportion for the following condition. Find the point estimates for p and q. In a survey of 1332 adults from country​ A, 424 said that they were not confident that the food th… read more
DebdattaBhattacharya
DebdattaBhattacharya
Doctoral Degree
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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
Kofi
Kofi
Ph.D.
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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
Sandhya
Sandhya
Master's Degree
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Constructing a Confidence Interval for a Population
Constructing a Confidence Interval for a Population Proportion In a random sample of 500 U.S. adults, 78% said that they believe that the U.S. Congress fails to pass laws that benefit the lives of all… read more
Kofi
Kofi
Ph.D.
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Computing Margin of Error: Confidence Interval for a
Computing Margin of Error: Confidence Interval for a Population Proportion If n = 130 and p = 0.81, find the margin of error at a 95% confidence level.Give your answer as a decimal, rounded to three d… read more
Kofi
Kofi
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Ind the critical value tc for the confidence level
ind the critical value tc for the confidence level cequals0.98 and sample size nequals24.tc= ​(Round to the nearest thousandth as​ needed.)… read more
Kofi
Kofi
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In a survey of 2755 ​adults, 1418 say they have started
In a survey of 2755 ​adults, 1418 say they have started paying bills online in the last year. Construct a​ 99% confidence interval for the population proportion. Interpret the results. A​ 99% confiden… read more
Kofi
Kofi
Ph.D.
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A researcher wishes to​ estimate, with 99​% ​confidence, the
A researcher wishes to​ estimate, with 99​% ​confidence, the population proportion of adults who support labeling legislation for genetically modified organisms​ (GMOs). Her estimate must be accurate … read more
Kimberley Wright
Kimberley Wright
Masters
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Three people run several BBQ restaurants. They serve tens of
Three people run several BBQ restaurants. They serve tens of thousands of people yearly. A simple random survey of 1980 customers found that 297 gave negative reviews. Obtain a point estimate for the … read more
Kimberley Wright
Kimberley Wright
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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
Kofi
Kofi
Ph.D.
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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
Sandhya
Sandhya
Master's Degree
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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
Sandhya
Sandhya
Master's Degree
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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
Sandhya
Sandhya
Master's Degree
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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
Stevewh
Stevewh
Teacher
Bachelor's Degree
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An election poll reported that a candidate had an approval
An election poll reported that a candidate had an approval rating or 58% with a margin of error of 2%. Construct a confident interval for the proportion of adult who approve the candidates Find the mi… read more
Scott
Scott
MIT Graduate
Master's Degree
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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
Sandhya
Sandhya
Master's Degree
5,803 satisfied customers
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
SusanAthena
SusanAthena
Master's Degree
Master's Degree
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