A rock is thrown from the top of a tall building. The distance, (d) in feet, between the rock and the ground, (t) in seconds after it is thrown is given by d (t) = -1672 – 4t + 382 .
Based on this expression, what is the height, in feet, of the building?
feet

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