Enter the number 82.2978 rounded to the nearest hundredth (two decimal places) 82.2978 rounded to the nearest hundredth (two decimal places).82.2 978 rounded to the nearest hundredth two decimal places

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