# Question: Refer to Problem 15 a Find the margin of error E b

Refer to Problem 15.

a. Find the margin of error, E.

b. Explain the meaning of E as far as the accuracy of the estimate is concerned.

c. Determine the sample size required to have a margin of error of 0.1 mm and a 90% confidence level.

d. Find a 90% confidence interval for μ if a sample of the size determined in part (c) yields a mean of 12.0 mm.

a. Find the margin of error, E.

b. Explain the meaning of E as far as the accuracy of the estimate is concerned.

c. Determine the sample size required to have a margin of error of 0.1 mm and a 90% confidence level.

d. Find a 90% confidence interval for μ if a sample of the size determined in part (c) yields a mean of 12.0 mm.

**View Solution:**## Answer to relevant Questions

For a t-curve with df = 18, obtain the t-value and illustrate your results graphically. a. The t-value having area 0.025 to its right b. t0.05 c. The t-value having area 0.10 to its left d. The two t-values that divide the ...The U.S. Department of Energy collects fuel-economy information on new motor vehicles and publishes its findings in Fuel Economy Guide. The data included are the result of vehicle testing done at the Environmental Protection ...A confidence interval for a population mean has a margin of error of 10.7. a. Obtain the length of the confidence interval. b. If the mean of the sample is 75.2, determine the confidence interval. The ankle brachial index (ABI) compares the blood pressure of a patient's arm to the blood pressure of the patient's leg. The ABI can be an indicator of different diseases, including arterial diseases. A healthy (or normal) ...According to the document Out of Reach, published by the National Low Income Housing Coalition, the fair market rent (FMR) for a two-bedroom unit in Maine is $779. A sample of 100 randomly selected two-bedroom units in Maine ...Post your question