What is the area of the square? 5ft
25 square feet 20 sqaure feet

5 square feet or 10 square 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