Use the following sample to estimate a population mean μ.41.932.235.350.727.336.63.827.124.435.3Assuming the population is normally distributed, find the 99.5% confidence interval about the populationmean. Enter your answer as an open-interval (i.e., parentheses) accurate to two decimal places.99.5% C.I. =

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Answered: Use the following sample to estimate a…

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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Tina catches a 14-pound bass. She does not know the population mean or standard deviation. So she takes a sample of five friends and they say the last bass they caught was 9, 12, 13, 10, and 10 pounds. Find the t and calculate a 95% (α = .05) confidence interval.
Use the following sample to estimate a population mean u. 24.3 44.4 18.9 10.5 80.3 27.4 43.1 7.7 53.6 Assuming the population is normally distributed, find the 99.5% confidence interval about the population mean. Enter your answer as an open-interval (i.e., parentheses) accurate to two decimal places. 99.5% C.I. =
The following sample data are from a normal population: 10,9,12,14,13,11,6,5 c. With 95% confidence, what is the margin of error for the estimation of the population mean (to 1 decimal)? d. What is the 95% confidence interval for the population mean (to 1 decimal)? d.
A laboratory tested 85 chicken eggs and found that the mean amount of cholesterol was 191 milligrams. Assume that o = 16.2 milligrams. Construct a 95% confidence interval for the true mean cholesterol content, µ, of all such eggs. Round to one decimal place. O A. 186.9 to 195.1 milligrams B. 186.5 to 195.5 milligrams C. 188.1 to 193.9 milligrams D. 187.6 to 194.4 milligrams
Use the following sample to estimate a population mean u. -0.4 41.3 -2.6 7.6 33.5 22.7 33.1 47.1 13.8 -8.6 36.8 Assuming the population is normally distributed, find the 90% confidence interval about the population mean. Enter your answer as an open-interval (i.e., parentheses) accurate to two decimal places. 90% C.I. =
intending to estimate a population mean μ with the following sample. 32 39.3 38.9 39.6 3.6 55.1 30.6 41.5 -1 believing the population is normally distributed. Find the 99.5% confidence interval. Enter answer as an open-interval to two decimal places 99.5% C.I. =
We would like to create a confidence interval for the mean. Which of the following would produce the smallest margin of error? Select one: a.A 95% confidence level and a sample size of 150 subjects b. A 99% confidence level and a sample size of 600 subjects. c. A 99% confidence level and a sample size of 150 subjects. d.A 95% confidence level and a sample size of 600 subjects.
Construct a confidence interval for the mean of the paired differences for the two populations with the following information. Round the endpoints of the interval to three decimal places, if necessary. n=33, d¯=1.945, α=0.1, sd=0.888
The accompanying table shows data for the weights of backpacks for men and women. Assume that the data are from random samples and the distributions are Normal. Complete parts (a) and (b) below. E Click the icon to view the data table. a. Find a 95% confidence interval for the difference between means HFemale - HMale state whether it captures 0, and explain what that shows about the mean. The 95% confidence interval is ( D (Round to two decimal places as needed. Use ascending order.) Backpack weights Female Male 10 10 12 8 9. 7 5 10 7 20 3 11 8 14 13 11 14 6 7 22 11 12 15 10 17 22 10 7 25 11 7 15 11 11 4 16 13 20 21 15 10 9. 16 10 15 13 10 10 17 12 11 38 6. 6. 7 19 12 13 20 8 14 15 18 19 10 16 16 13 18 12 14 13 13 15 14 14 7 7 14 13 27 11
Next question If a sample proportion is 0.68, which of the following could be a 90% confidence interval for the population proportion? ..... Select all that apply. A. Lower bound: 0.59; Upper bound: 0.77 B. Lower bound: 0.66; Upper bound: 0.70 OC. Lower bound: 0.50; Upper bound: 0.77 D. Lower bound: 0.77; Upper bound: 0.95 E. Lower bound: 0.67; Upper bound: 0.71 F3 F4 F5 F7 F8 24 4. %23 2 3. 6. Left control option command
Researchers studied the mean egg length (in millimeters) for a bird population. After taking a random sample of eggs, they obtained a 95% confidence interval of (45,60). What is the value of the margin of error? Choose the correct answer below. A. 15 mm B. 52.5 mm O c. 7.5 mm O D. 1.96
Use the given sample data to construct the indicated confidence interval for the population mean. The football coach randomly selected ten players and timed how long each player took to perform a certain drill. The times (in minutes) were: 12.7 14.6 11.7 12.6 11.5 11.2 7.2 10.3 7.2 9.1 Determine a 95% confidence interval for the mean time for all players. O A. (9.00, 12.62) O B. (9.57, 12.05) O C. (9.09, 12.53 ) O D. (9.29, 12.30 ) O E. (9.50, 12.12)

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