Mathematics, 19.10.2021 02:40 chriscendypierre56
A certain test preparation course is designed to help students improve their scores on the LSAT 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 66 students' scores on the exam after completing the course: 23,18,23,12,13,2323,18,23,12,13,23 Using these data, construct a 80%80% confidence interval for the average net change in a student's score after completing the course. Assume the population is approximately normal. Copy Data 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: 2
Mathematics, 21.06.2019 15:10
Solve the system by the elimination method. x + y - 6 = 0 x - y - 8 = 0 when you eliminate y , what is the resulting equation? 2x = -14 2x = 14 -2x = 14
Answers: 2
Mathematics, 21.06.2019 17:50
(01.02 lc) angle abc has point e on ray ba and point d on ray bc. points e and d are equidistant from point b. to bisect angle abc, which of the following needs to be identified for the construction? the distance between points e and d the point in the angle that is equidistant from points e and d the endpoint of rays ba and bc the point outside of the angle that is equidistant from points e and d
Answers: 1
Mathematics, 21.06.2019 18:40
This stem-and-leaf plot represents the heights of the students on ralph's basketball team. one student's height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.
Answers: 2
Mathematics, 21.06.2019 22:00
1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25
Answers: 2
A certain test preparation course is designed to help students improve their scores on the LSAT exam...
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