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The records of a casualty insurance company show that, in the past, its clients have had a mean of1.7 auto accidents per day with a

The records of a casualty insurance company show that, in the past, its clients have had a mean of1.7

auto accidents per day with a standard deviation of0.04

. The actuaries of the company claim that the standard deviation of the number of accidents per day is no longer equal to0.04

. Suppose that we want to carry out a hypothesis test to see if there is support for the actuaries' claim. State the null hypothesisH

0

and the alternative hypothesisH

1

that we would use for this test.

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