Use the given confidence interval limits to find the point estimate p^ and the margin of error ME. 0.57
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Use the given confidence interval limits to find the point estimate p^ and the margin of error ME.
0.57<p<0.63
p^= ME=
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- The caffeine consumption of a random sample of 50 students showed a mean of 14.4 oz and a standard deviation of 6.3. Construct a 95% confidence interval for the mean ounce of caffeine consumption of all students. What can we assert with 95% confidence interval about the possible size of our error if we estimate the mean ounce of caffeine consumption of all students to be 14.4? Show solution with formulasFind B and C: confidence interval estimate and p-valueThe mean diastolic blood pressure for a random sample of 70 people was 96 millimeters of mercury. If the standard deviation of individual blood pressure readings is known to be 11 millimeters of mercury, find a 90% confidence interval for the true meandiastolic blood pressure of all people. Then give its lower limit and upper limit.
- The mean diastolic blood pressure for a random sample of 90 people was 90 millimeters of mercury. If the standard deviation of individual blood pressure readings is known to be 8 millimeters of mercury, find a 95% confidence interval for the true mean diastolic blood pressure of all people. Then give its lower limit and upper limit. Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place. Lower limit= Upper limit=The mean diastolic blood pressure for a random sample of 70 people was 84 millimeters of mercury. If the standard deviation of individual blood pressure readings is known to be 12 millimeters of mercury, find a 90% confidence interval for the true mean diastolic blood pressure of all people. Then give its lower limit and upper limit. Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place. upper limit ? lower limit?A research scholar wants to know how many times per hour a certain strand of virus reproduces. He wants to construct the 80% confidence interval with a maximum error of 0.15 reproductions per hour. Assuming the population standard deviation is known to be 2.13, what is the minimum sample size required for the estimate?
- Suppose a random sample of 49 middle school students have spent in an average of 3 hours to engage in the extra curricular activities per day with a standard deviation of 0.5 hours per day. Construct a 99% confidence interval, µ, the average time spent by all the middle school students to engage in the extra curricular activities per day. [Remember: Please show graph and mark the area you have to find out in the graph. In addition, you should also show the formula to find the area.]What is the positive t-value for a confidence interval for the population mean with a sample size of 30 at a 90% confidence level? Express with 3 decimals"There are hundreds of mangoes on the trees, you randomly get just 50 apples and get a mean weight of 30 kg and a standard deviation of 2.4 kg. What is the 95% confidence interval?
- The main diastolic blood pressure for a random sample of 70 people was 88 millimeters. If the standard deviation of individual blood pressure readings is known to be 9 millimeters of mercury, find a 99% confidence interval for the true mean diastolic blood pressure of all people. Then give it slower limit and upper limit. Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place.A sample of 25 pieces of laminate used in the manufacture of circuit boards was chosen, and the amount of warpage (inches) under particular conditions was determined for each piece. This resulted in a sample mean warpage of 0.0635 inches and a sample standard deviation of 0.0065 inches. Assume that the population is normally distributed, and find a 95% confidence interval for the true unknown mean. Given the information in this situation, what equation for the interval estimate endpoints will you need to use for this problem? Also, why did you choose that equation? (In other words, what assumptions can you make?) Compute a 95% confidence interval for the true unknown mean.The new management team of a company with 200 staff members wants to knowthe efficiency of its staff members. They randomly select 50 staff members and observe themfor a period of time and note that their daily average working hour is 7 hours. If previousresearch in the field of Human Resources show that the standard deviation of the number ofhours that people work is half an hour, construct a 95% confidence interval for the averagenumber of hours that the companies staff member work per day. Please include confidence interval formula that you use for your calculations