Mathematics, 24.03.2020 17:57 Gribblejames
A certain test preparation course is designed to help students improve their scores on the GMAT exam. A mock exam is given at the beginning and end of the course to determine the effectiveness of the course. The following measurements are the net change in 3 students' scores on the exam after completing the course: 17,20,26 Using these data, construct a 95% confidence interval for the average net change in a student's score after completing the course. Assume the population is approximately normal. Step 3 of 4 : Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places.
Answers: 1
Mathematics, 21.06.2019 20:20
One of every 20 customers reports poor customer service on your companyโs customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%
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Mathematics, 21.06.2019 21:30
Af jewelry box is in the shape of a rectangular prism with an area of 528 cube inches. the length of the box is 12 inches and the height is 5 1/2 inches. what is the width of the jewelry box
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Mathematics, 21.06.2019 22:30
Factor the polynomial by its greatest common monomial factor.
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Mathematics, 22.06.2019 00:00
Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense
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