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?
