Golf balls that are properly manufactured will have arebound height of 42 inches

Golf balls that are properly manufactured will have arebound height of 42 inches when dropped by a testing machine froma height of 5 feet. The quality control inspector is concerned thata new manufacturing machine is not properly calibrated and that theresulting golf balls are falling short of the desired height. Atrandom 100 golf balls were selected for a test. The test resultsindicated that the rebound height was 41.6 inches with a standarddeviation of 0.5. At the .05 significant level what is the resultof the test?A. There is no significant difference.B. A larger test sample is needed.C. There is a significant difference; the golf balls aredefected.D. A decision regarding a significant difference cannot be made