The records of a casualty insurance company show that, in the past, its clients have had a mean of1.9

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 ahypothesis testto see if there is support for the actuaries' claim. State thenull hypothesisH

0

and thealternative hypothesisH

1

that we would use for this test.

H

0

:

H

1

: