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A speed reading course claims that at the conclusion of the course, participants will be able to read and comprehend a 1000 word passage in less than a minute. A company randomly selects 40 of its employees and sends them to this course. At the conclusion, their average time to read the passage was 55 seconds with standard deviation 10 seconds. a) Does this indicate that the claim made by the course is true? Use a = .005. b) Find c for the corresponding CI. c) Find the CI. d) Do the CI and hypothesis test give the same conclusion? Explain.

A speed reading course claims that at the conclusion of the course, participants will be able to read and comprehend a 1000 word passage in less than a minute. A company randomly selects 40 of its employees and sends them to this course. At the conclusion, their average time to read the passage was 55 seconds with standard deviation 10 seconds. a) Does this indicate that the claim made by the course is true? Use a = .005. b) Find c for the corresponding CI. c) Find the CI. d) Do the CI and hypothesis test give the same conclusion? Explain.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Example 7.1.2 A speed reading course claims that at the conclusion of the course, participants will be able to read and comprehend a 1000 word passage in less than a minute. company randomly selects 40 of its employees and sends them to this course. At the conclusion, their average time to read the passage was 55 seconds with standard deviation 10 seconds. a) Does this indicate that the claim made by the course is true? Use a = .005. b) Find c for the corresponding CI. C c) Find the CI. d) Do the CI and hypothesis test give the same conclusion? Explain.
Transcribed Image Text:Example 7.1.2 A speed reading course claims that at the conclusion of the course, participants will be able to read and comprehend a 1000 word passage in less than a minute. company randomly selects 40 of its employees and sends them to this course. At the conclusion, their average time to read the passage was 55 seconds with standard deviation 10 seconds. a) Does this indicate that the claim made by the course is true? Use a = .005. b) Find c for the corresponding CI. C c) Find the CI. d) Do the CI and hypothesis test give the same conclusion? Explain.
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