The formula c=p(1 - d) is used to find the cost of an item that is discounted c represents the cost of an item after a discount. p represents the original price of an item, and d is the amount discount written as a percent in decimal form

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