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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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