Search Results | Course Hero x 9.1 Confidence Interval Basics X + X Assignments > 9.1 Confidence Interval Basics 2022-3 9.1 Confidence Interval Basics Home Due Sunday by 11:59pm Points 100 Submitting an external tool Available Oct 24 at 12am - Nov 13 at 11:59pm Announcements Syllabus FEEDBACK Modules Content attribution Grades People Question ? Office 365 Secure Exam Proctor The average monthly business expenses are normally distributed with a population standard deviation of 1.9 thousand (Proctorio) dollars and an unknown population mean. If a random sample of 25 businesses is taken and results in a sample mean of 8.3 thousand dollars, find a 90% confidence interval for the population mean. Library Make Tuition Payment Use the tool below to calculate your confidence interval. Choose the correct confidence level, sample mean, population Accredible standard deviation, and sample size. Then view the confidence interval indicated on the x-axis to find your answer. Please note, you'll need to use the sliders above the graph to change the x-axis markers. Round your answers to 2 decimal places. Class Notebook Honorlock Unicheck Learner Forms Microsoft Teams classes x = 3.8 Previous Next > 11:35 AM Type here to search w 10/28/2022Search Results | Course Hero x 9.1 Confidence Interval Basics X + X Assignments > 9.1 Confidence Interval Basics 2022-3 9.1 Confidence Interval Basics Home Due Sunday by 11:59pm Points 100 Submitting an external tool Available Oct 24 at 12am - Nov 13 at 11:59pm Announcements Syllabus Modules x = 3.8 Grades Confidence level: 50 % People Office 365 0 = 2.4 0.5 0.9 0.95 0.99 ? Secure Exam Proctor Critical value: 0.674 (Proctorio) Library n = 82 Make Tuition Payment Accredible Class Notebook Honorlock 50% Unicheck 3.53 1 4.07 Learner Forms 3.621366 3.978634 Microsoft Teams x = 3.8 classes Previous Next > 11:36 AM Type here to search W ~ ( 1 X 10/28/2022