Aperson noted that the angle of elevation to the top of a tree was 65 degrees at a distance of 11 feet from the tree. using the diagram approximate the height of the tree.

5.128 feet

26.005 feet

12.14 feet

23.590 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