Find a 99% confidence interval for the previous problem. (30.19, 32.21) (30.26, 32.14) O (31.195, 31.205) The sample size is too small to find a confidence interval.
Find a 99% confidence interval for the previous problem. (30.19, 32.21) (30.26, 32.14) O (31.195, 31.205) The sample size is too small to find a 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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Question 3: find the 99% confidence interval for the previous problem
Expert Solution
Step 1
Given information
Sample size (n) = 30
Sample mean x̅ = 31.2 gallons
Standard deviation (s) = 2
Significance level (α) = 1 - 0.95 = 0.05
Since, here population standard deviation is unknown therefore using t-distribution.
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