Statistics - Solve using Five-step Hypothesis
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A recent study by the Department of Transportation reported that 40% of major traffic accident this year had alcohol as a
contributing factor. Hill Insurance decided to investigate their insurance claims to see if they were significantly different than
the DoT's figures. A sample of 200 insurance claims for major accidents showed that 74 also had alcohol as a contributing
factor. At the .05 significance level, is the proportion of accident claims at Hill Insurance significantly different than the national
figures?
Use the five-step hypothesis test to solve this problem. Show your work or provide output. Simply providing the answer, even
if the right answer, will not suffice for credit.
STEP 1:
Ho:
Ha:
STEP 2:
STEP 3:
STEP 4:
STEP 5:
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Solution Summary
The expert solves a statistics problem for the Department of Transportation using a five-step hypothesis. A complete, neat and step-by-step solution is provided in the attached file.
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