Thursday

July 24, 2014

July 24, 2014

Posted by **joe** on Saturday, April 17, 2010 at 5:00pm.

A shipment of 25 television sets contains three defective units. In how many ways can a vending company purchase four of these units and receive (a) all good units, (b) two good units, and (c) at least two good units.

- math -
**bobpursley**, Saturday, April 17, 2010 at 5:57pmways to get 4 good units: 1 (good, good, good, good)

ways to get two good:

GGBB

GBBG

GBGB

BBGG

BGBG

BGGB

ways to get at least two good:

above ways, plus

GGGG

PLus

GGGB

GBGG

GGBG

BGGG

**Related Questions**

statistic - a shipment of 40 television sets contains 3 defective units. How ...

precalculus - a shipment of 10 microwaves contains 3 defective units. in how ...

Probability - CHECK - Could someone check my answers for these questions: 62. ...

Math - Statistics - A company claims that no more than 5% of a particular ...

Math - Statistics - A company claims that no more than 5% of a particular ...

statistics 221 - A shipment of 35 computers contains three that are defective. ...

statistics - A shipment of 30 computers contains four that are defective. How ...

math - what is the dollar value of ending inventory if there were 17,000 units ...

accounting - Anthony Company uses a perpetual inventory system. It entered into ...

very hard math question please help - The Candle Shop -Annual Inventory of ...