Eight cards are marked 3,4,5,6,7,8,9, and 10 such that each card has exactly one of these numbers. a card is picked without looking. find each probability. write each answer as a fraction, a decimal, and a percent.

The purchasing agent for a company that assembles and sells air-conditioning equipment in a latin american country noted that the cost of compressors has increased significantly each time they have been reordered. the company uses an eoq model to determine order size. what are the implications of this price escalation with respect to order size? what factors other than price must be taken into consideration?