Annie was given two pieces of information and must write the equation of a line. She knows the line crosses the y-axis at the point(0, 5) and has a slope of - 4. What is the equation of the line?

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