Question: In the past, the mean running time for a certain type of flashlight battery has been 8.9hours. The manufacturer has introduced a change in the
In the past, the mean running time for a certain type of flashlight battery has been
8.9hours.
The manufacturer has introduced a change in the production method and wants to perform a hypothesis test to determine whether the mean running time has increased as a result. The hypotheses are:H0:=8.9hoursHa:>8.9hourswhere
is the mean running time of the new batteriesExplain the meaning of a Type II error.
Step by Step Solution
There are 3 Steps involved in it
1 Expert Approved Answer
Step: 1 Unlock
Question Has Been Solved by an Expert!
Get step-by-step solutions from verified subject matter experts
Step: 2 Unlock
Step: 3 Unlock
