USE CALCULATOR AND SHOW EVERYSTEP USING CALCULATOR INCLUDING THE NUMBERS USE INPUT IN THE TEST. New...

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USE CALCULATOR AND SHOW EVERYSTEP USING CALCULATOR INCLUDING THENUMBERS USE INPUT IN THE TEST. New road signs are made with theintention of improving visibility for drivers. Highway safetyengineers setup a test course that included both the old and newsigns. Volunteers drove the course and rated the old and new signsin terms of visibility? (2 points each)
a) Write the null and alternative hypotheses in words using“improved visibility” and “not improved visibility”.
b) Describe a Type I error in the context of the problem.
c) What would be the real-world consequences be if a Type Ierror occurred?
d) Describe a Type II error in the context of the problem.
e) What would be the real-world consequences be if a Type IIerror occurred?

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4.1 Ratings (616 Votes)

a H0Null Hypothesis There is no improved visibility due to new signs in place of old signs HAAlternativ Hypothesis There is improved visibility due to new signs in place of old signs b Type I error Reject a True Null Hypothesis Suppose in See Answer

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