2.an urn containspblack balls, qwhite balls, andrred balls; andnballs arechosen without replacement. a.find the joint distribution of the numbers of black, white, and red balls in thesample. b.find the joint distribution of the numbers of black and white balls in thesample. c.find the marginal distribution of the number of white balls in the sample.

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new 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 size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?