Question A researcher at an auto insurance company is studying accident occurrences at a dangerous intersection...
Question
A researcher at an auto insurance company is studying accident occurrences at a dangerous intersection and makes the claim that the average age of a driver involved in an accident at this intersection is more than 35 years old.
To test this claim, the auto insurance company plans to conduct a hypothesis test for the age of drivers involved in accidents at a certain intersection. The auto insurance company collects a sample of 65 accidents and finds that the average age of drivers is 35.4.
Which is the correct setup for the null and alternative hypothesis for this test?
Select the correct answer below:
a)H0: μ=35; Ha: μ<35, which is a left-tailed test.
b)H0: μ=35; Ha: μ>35, which is a right-tailed test.
c)H0: μ=35.4; Ha: μ<35.4, which is a left-tailed test.
d)H0: μ=35.4; Ha: μ<35.4, which is a right-tailed test.
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