Monday

April 21, 2014

April 21, 2014

Posted by **osman** on Friday, March 1, 2013 at 8:14am.

been used. Four of the balls are randomly chosen from the box. Let be the

number of new balls among the selected ones.

(a) Find the probability distribution of :

(b) Evaluate the expectation E:

(c) Evaluate the variance V ar

**Related Questions**

geometry - A box is filled with 6 cans of tennis balls. If the empty space was ...

Math - A sporting goods store paid $576for a shipment of 8 cartons of tennis ...

math - There are 9 tennis balls in a box, of which only 5 have not previously ...

economics - Wilpen Company, a price-setting firm, produces nearly 80 percent of ...

economics - Wilpen Company, a price-setting firm, produces nearly 80 percent of ...

Math - Maria bought 5 cans of tennis balls. Each can contained 3 tennis balls. ...

Math - There are 10 tennis balls, 2 soccer balls, and 8 basketballs. What ...

Math - Tennis balls withal diameter of 2.5 in. Are sold in cans of three. The ...

math - I have a basket of 40 yellow tennis balls and 35 white tennis balls. What...

math - A toy baseball bat comes with 3 plastic balls in a box that is a ...