For each level of confidence c below, determine the corresponding normal confidence interval. Assume each confidenceinterval is constructed for the same sample statistics.17. c = 0.8518. c = 0.8819. c = 0.95什 +555655什5555565656575756.9575757.65858.1585858.258595959596450x = 59.9x = 59.960x = 59.960x = 59.9606161616162.26261.7626261.6...+62636362.9636320. c = 0.99+64646464SCOSC

A few confidence levels confidence intervals are given based on sample statistics.

Answered: For each level of confidence c below,…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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For each level of confidence c below, determine the corresponding normal confidence interval. Assume each confidence interval is constructed for the same sample statistics. 19. c = 0.95 54 54 54 17. c = 0.85 54 17. 18. 19. 20. - 55 55.4 55 + 55 + 55 56.7 + H 56 57 56 + 56 56.5 56.1 H 56 18. c = 0.88 57 57 57 x = 58.3 58 x = 58.3 58 x = 58.3 58 x = 58.3 58 59 59 59 59 59.9 60 60 60.1 60 60 60.5 61 61.2 61 + 61 + 61 62 + 62 + 62 62 20. c = 0.99 63 Drag each normal confidence interval given above to the level of confidence c. 63 63 63
The average salary of 64 employee was 5400. Using historical data, we will assume that the population standard deviation is 260. Find the 90% confidence interval for the population mean salary. Select one: O a. 5400 + 53.46 O b. 5400 + 57.58 O c. 5400 + 55.52 O d. 5400 + 51.41
Use the given confidence interval to find the margin of error and the sample mean. (15.3,23.7) The sample mean is . (Type an integer or a decimal.) The margin of error is. (Type an integer or a decimal.)
Let Y₁, Y₂,..., Y₁ denote a random sample from a population having a Poisson distribution with mean X₁. Let X₁, X2, . . . , Xm denote an independent random sample from a population having a Poisson distribution with mean λ₂. Show that the most powerful a-level test for testing Ho: A₁ = A₂ = 2 vs. Ha: λ₁ = 1⁄, λ2 = 3 has RR = {a Σ1 Y₁+bΣï1 X; < k'} for some constants a, b, k'. Do not solve it, but give an equation by which you might use a to find k'.
For each level of confidencec below, determine the corresponding nomal confidence interval. Assume each confidence interval is constructed for the same sample statistics. 17. c= 0.85 18. c= 0.90 19. c =0.95 20. c=0.98 53.4 58.4 54.1 57.7 53.8 58 x= 55.9 x= 55.9 x 55.9 ++ 52 53 54 55 56 57 58 59 60 52 53 54 55 56 57 58 59 60 52 53 54 55 56 57 58 59 60 54.4 57.4 X 55.9 52 53 -54 55 56 57 58 59 60 Drag each normal confidence interval given above to the level of confidence c. 17. 18. 19. 20.
Which of the following t values would be used to construct a 99% confidence interval for the mean with a sample of size n=17?
Use the given confidence interval to find the margin of error and the sample mean. (13.4,21.6) The sample mean is (Type an integer or a decimal.)
The data below are the ages of a random sample of 8 men in a bar. It is known that the population of ages are normally distributed with a standard deviation of 7. Determine the 90% confidence interval estimate of the population mean. 49, 68, 25, 36, 56, 38, 27, 47 Note: For each confidence interval, enter your answer in the form (LCL, UCL). You must include the parentheses and the comma between the confidence limits. Confidence Interval =
How large should a sample be to estimate the population mean within [68.71, 71.29] with a 99% confidence interval if the sample mean is 70 and the population variance was 9 Select one: a. n= 26 b. n= 46 C. n= 16 O d. n= 36
Find 90% confidence interval
Construct the indicated confidence interval for the population mean μ. (Round results to 3 decimal places.) 1. c = 0.80, x= 325, o 17, n = 89 = 2. c = 0.95, x = 188, o 12, n = 67 = 3. Tea consumption. A researcher wants to estimate the mean tea consumption of an organization. The tea consumption in pounds for 25 randomly selected tea drinkers in the organization were gathered. Their tea consumption is listed in Table 1. Assume that o = 1.0 pounds and the tea consumption follows a normal distribution. Construct a 95% confidence for the population mean. 1.9 3.4 1.9 2.3 1.2 Table 1. Tea consumption Tea Consumption (pounds) 4.5 2.8 2.8 3.2 0.9 2.3 3.4 1.7 2.6 1.9 3.6 2.9 3.3 2.4 2.9 3.2 2.9 2.8 3.1 2.0
For each level of confidence c below, determine the corresponding normal confidence interval. Assume each confidence interval is constructed for the same sample statistics. 17. c = 0.88 18. c= 0.90 19. c = 0.95 20. c= 0.98 53.4 56.8 53 57.2 52.7 57.5 x = 55.1 x = 55.1 x = 55.1 + + <+ 51 52 53 54 55 56 57 58 59 51 52 53 54 55 56 57 58 59 51 52 53 54 55 56 57 58 59 53.5 56.7 x = 55.1 51 52 53 54 55 56 57 58 59

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