10/5/2015 2. on sunday, sheldon bought 4 1 2 kg of plant food. he used 1 2 3 kg on his strawberry plants and used 1 4 kg for his tomato plants. how many kilograms of plant food did sheldon have left? show your work.

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