Lowerbound:; Upper bound:(Use ascending order. Round to two decimal places as needed.)Compare the results to those obtained in part (a). How does increasing the level of confidence affect the size of the margin of error, E?O A. The margin of error decreases.OB. The margin of error does not change.O C. The margin of error increases.(d) If the sample size is 16, what conditions must be satisfied to compute the confidence interval?O A. The sample size must be large and the sample should not have any outliers.O B. The sample must come from a population that is normally distributed and the sample size must be large.O C. The sample data must come from a population that is normally distributed with no outliers. A simple random sample of size n is drawn. The sample mean, x, is found to be 18.9, and the sample standard deviation, s, is found to be 4.3.Click the icon to view the table of areas under the t-distribution.(a) Construct a 95% confidence interval about μ if the sample size, n, is 34.Lower bound: Upper bound:(Use ascending order. Round to two decimal places as needed.)(b) Construct a 95% confidence interval about μ if the sample size, n, is 61.Lower bound: Upper bound:(Use ascending order. Round to two decimal places as needed.)How does increasing the sample size affect the margin of error, E?O A. The margin of error does not change.B. The margin of error decreases.O C. The margin of error increases.(c) Construct a 99% confidence interval about µ if the sample size, n, is 34.

It is given that Sample mean = 18.9 Sample standard deviation = 4.3 Note: According to Bartleby…

Answered: (a) Construct a 95% confidence interval…

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 given confidence interval to find the margin of error and the sample proportion. (0.740,0.766) E=enter your response here (Type an integer or a decimal.)
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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
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