Plot the points ( − 3 , 4 ) (−3,4)left parenthesis, minus, 3, comma, 4, right parenthesis and ( 4 , 4 ) (4,4)left parenthesis, 4, comma, 4, right parenthesis on the coordinate plane below. What is the distance between these two points? units

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