If you wish to construct 80% lower confidence bound (LCB) for the population mean μ, then the z-value you should use is approximately:
a. .84 |
b. 2.58 |
c. 2.33 |
d. 1.28 |
e. 1.96 |
If you wish to construct 80% lower confidence bound (LCB) for the population mean μ, then the...
Construct the confidence interval for the population mean μ. Construct the confidence interval for the population mean μ 0.98, x: 5.9, σ: 0.6, and n: 44 A 98% confidence interval for μ is OD (Round to two decimal places as needed.)
A through D please Objective 4: Construct and Interpret a Confidence Interval for a Population Mean 9.2 Estimating a Population Mean 9.2.17 O of 1 Point Question Help A simple random sample of size n is drawn from a population that is normally distributed. The sample mean, x, is found to be 114, and the sample standard deviation, s, is found to be 10. (a) Construct an 80% confidence interval about if the sample size, n, is 23. (b) Construct...
6.1.23 construct the confidence interval for the population mean μ c = 0.98, x̅ = 15.7, σ = 4.0, and n=65 A 98% confidence interval for μ is OD (Round to one decimal place as needed.)6.1.27 Use the confidence interval to find the margin of error and the sample mean (1.58,2.06) The margin of error is (Round to two decimal places as needed.)
X6.2.9-TConstruct the indicated confidence interval for the population mean μ using the t-distribution. Assume the population is normally distributed c = 0.90, x̅ = 12.9, s = 4.0, n = 9 The 90% confidence interval using a t-distribution is 6.2.17-T In a random sample of 26 people, the mean commute time to work was 34.8 minutes and the standard deviation was 7.2 minutes. Assume the population is normally distributed and use a t-distribution to construct a 98% confidence interval for the population mean μ...
Answers only is okay! Construct the indicated confidence interval for the population mean μ using the t-distribution. Assume the population is normally distributed. c=0.99, x=13.1, s=3.0, n= 6 Construct the indicated confidence interval for the population mean μ using the t-distribution. Assume the population is normally distributed. c=0.95, x=14.5, s=0.55, n= 15 Use the given confidence interval to find the margin of error and the sample mean. (12.7,19.9The sample mean is In a random sample of 18 people, the mean...
Suppose you want to construct an 80% confidence interval that has 10% of all area below the lower bound, 10% of all area above the upper bound, and 80% of all area between the lower and upper bounds. What is the correct z* value to use for the confidence interval?
find z sc Construct the confidence interval for the population mean μ 0.95, x 5.2, σ 0.4, and n 58 A 95% confidence interval for μ is D (Round to two decimal places as needed)
Construct the indicated confidence interval for the population mean μ using the t-distribution. Assume the population is normally distributed. Construct the indicated confidence interval for the population mean μ using the t-distribution. Assume the population is normally distributed c-0.98, x-12.4, s 0.91, n 13 Round to one decimal place as needed.)
Determine the point estimate of the population mean and margin of error for the confidence interval. Lower bound is 19, upper bound is 27. The point estimate of the population mean is _______ . The margin of error for the confidence interval is _______ .
A) Construct the confidence interval for the population mean μ. c=0.98, (overbar) x=7.6, σ =0.7 and n=48 A 98% confidence interval for μ is ( , ) B) Construct the confidence interval for the population mean μ. c=0.90 (overbar) x=16.2, σ=2.02 and n=70 A 90% confidence interval for μ is ( , ) C) Use the confidence interval to find the margin of error and the sample mean. left parenthesis 0.144 comma 0.280 right parenthesis (0.144,0.280) The margin of error is...