A company produces ball bearings for industrial applications

Last updated: 7/28/2023

A company produces ball bearings for industrial applications The bearings a manufactured to be precisely 2 75 mm in diameter Every 30 minutes a quality control officer takes a random sample of ball bearings from the assembly line and measures each to ensure that the average diameter of the sample is not significantly different than 2 75 mm Determine the null and alternative hypotheses for the above hypothesis test Ho 2 75 2 75 O Ho Ho 2 75 O Ho 2 75 H 2 75 H 2 75 H 2 75 H 2 75