Samples of a cast aluminum part are classified on the basis of surface finish and edge finish. the results of 100 parts are summarized as follows. edge finish excellent good surface excellent 75 4finish good 15 6let a denote the event that a sample has excellent surface finish, and let b denote the event that a sample has excellent edge finish. if a part is selected at random, determine the following probabilities: (a) p(a b), (b) p(a u b) and (c) p(a' u b)

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. another supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which would you choose and how much would you save with that choice? show calculator try it! if you buy 1000 ml bags, how many do you need to buy each month? type your answer in the space provided and click on the check answer button.

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5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%