Alex drawers and angle that measures 110°. He then draws a ray divide the angle into two equal parts. What is the measure of each smaller angle?

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