Show all your steps please and explain Do it in digital format and upload screenshots of every element you use, place all the equations you use. THANK YOU Calculate the confidence interval for the proportion of COVID cases greater than 75, considering the following table of results for a 95% confidence level. 1 99 2 3 4 5 6 7 8 9 10 11 12 13 14 15 15 59 14 72 59 68 22 40 79 97 82 93 76 48
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- Use the sample data and confidence level given below to complete parts (a) through (d). A drug is used to help prevent blood clots in certain patients. In clinical trials, among 4409 patients treated with the drug, 118 developed the adverse reaction of nausea. Construct a 90% confidence interval for the proportion of adverse reactionsA study of 420,003 cell phone users found that 133 of them developed cancer of the brain or nervous system. Prior to this study of cell phone use, the rate of such cancer was found to be 0.0442% for those not using cell phones. Complete parts (a) and (b). a. Use the sample data to construct a 90% confidence interval estimate of the percentage of cell phone users who develop cancer of the brain or nervous system. nothing%<p<nothing% (Round to three decimal places as needed.)We would like to know: "What percentage of college students drink alcohol every day?" In a random sample of 500 students, 75 said they drink alcohol every day. Give the following information for a 95% confidence interval for the proportion of students who drink every day.1. The confidence interval equation filled in.
- Use the sample data and confidence level given below to complete parts (a) through (d). A drug is used to help prevent blood clots in certain patients. In clinical trials, among 4338 patients treated with the drug,141 developed the adverse reaction of nausea. Construct a 90% confidence interval for the proportion of adverse reactions.A researcher was hired to estimate the proportion of American households that have broadband internet access. The researcher calculated the following 95% confidence interval. 0.461<p<0.5410.461<�<0.541 Step 1 of 3: What is the point estimate used in this confidence interval? Round to three decimal places as needed.Use the confidence level and sample data to find a confidence interval for estimating the population μ.Round your answer to the same number of decimal places as the sample mean. A laboratory tested 73 chicken eggs and found that the mean amount of cholesterol was 201 milligrams with σ=16.7 milligrams. Construct a 95% confidence interval for the true mean cholesterol content, μ, of all such eggs.
- In each of Exercises, use the one-proportion plus-four z-interval procedure to find the required confidence interval. Interpret your results. Breast-Feeding. In a New York Times article “More Mothers Breast-Feed, in First Months at Least,” G. Harris reported that 77% of new mothers breast-feed their infants at least briefly, the highest rate seen in the United States in more than a decade. His report was based on data for 434 infants from the National Health and Nutrition Examination Survey, whichinvolved in-person interviews and physical examinations. Find a 90% confidence interval for the percentage of all new mothers who breast-feed their infants at least briefly.Refer to the accompanying stayed outside and construct a 90% confidence interval as many of the mean pulse rate of adult females then do the same for adult males compare the results.A researcher was hired to estimate the proportion of American households that have broadband internet access. The researcher calculated the following 95% confidence interval. 0.461<p<0.5410.461<�<0.541 Step 2 of 3: What is the Margin of Error used in this confidence interval? Round to three decimal places as needed.
- In an effort to determine the percent of Portland residents that regularly bike to work, 500 residents are randomly selected and surveyed. 35% of those surveyed bike to work with a margin of error of ±3%. Construct the confidence interval. Is the confidence interval about a statistic or a parameter? Describe what the confidence interval tells you about the percent of Portland residents regularly bike to work.A coffee manufacturer claims that the mean amount of coffee in its 4 -ounce jars is 4.1 ounces. Based on a sample of 50 jars, a consumer advocate group obtains the following 99% confidence interval for the population mean weight, :μ3.95 ounces to 4.05 ounces. Based on this interval, do you think that the manufacturerʹs claim is plausible? Possible? Explain your thinking.In a survey of 7000 women,4431 say they change their nail polish once a week. construct a 95% confidence interval for the population proportion of woman who changes their nail polish once a week. A 95% confidence interval for the population proportion is?