1. the members of a team can run 500 meters between 57 seconds and 73 seconds. a. write an absolute value inequality describing the times for the runners. b. graph the inequality on a number line.

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics