# statistics

posted by .

suppose you just received a shipment of 13 tvs. 3 of them are defective. if 2 tvs are randomly selected compute the probability that both tvs work and what is the probability at least one doesn't work? answer as a fraction in simplified form

## Similar Questions

1. ### math prob.

the purchasing director of a bank has just received a shipment of 100 printers. She has been told that the shipment includes 5 defective printers. She randomly selects two printers and tests them. If both printers work the purchasing …
2. ### Math

A raffle held by Mundane Products has collected 700 entries. They are giving away 40 TVs and 30 stereos. John bought 5 entries for the raffle. What is the probability that John wins exactly one TV as well as exactly one stereo?
3. ### math, duhhh!

New flat- screen tvs flash even faster than older tvs. Since dogs need a flicker freqency rate of 75, dogtv works as intended only on newer tvs. One type of new tvs flash 500 frames each second. How many moreframes does it flash than …
4. ### math

new flat- screen TVs flash even faster than older TVs. Since dogs need a flicker frequency rate of 75, DOGTV works as intended only on newer TVs. One type of new Tv flashes 500 frames each second. How many more frames does it flash …
5. ### statistics

suppse you received a shipment of nine televisions. four of the television are defective. If two televisions are random;y selected compute the probability at least on of the two televisions does not work
6. ### Statistics

A stationary store has decided to accept a large shipment of ball-point pens if an inspection of 20 randomly selected pens yields no more than two defective pens. a) find the probability that this shipment is accepted if 5% of the …
7. ### Intermediate algebra

The accompanying graph shows all of the possibilities for the number of refrigerators and the number of TVs that will fit into an 18-wheeler. Write an inequality to describe this region. Will the truck hold 71 refrigerators and 118 …
8. ### STATISTICS HELP!!!!!

Bender Electronics buys keyboards for its computers from another company. The keyboards are received in shipments of 175 boxes, each box containing 30 keyboards. The quality control department at Bender Electronics first randomly selects …
9. ### Microeconomics

The quantity of TVs sold is 100 at the unit price \$200. Suppose the price elasticity of demand for TVs by the initial value method is 2.0, and you would like to decrease the unit price for TVs to \$150. Then the new quantity sold must …
10. ### statistics

Four percent of DVD players manufactured by an electronics company are defective. Suppose six DVD players are randomly selected from the production line. Each DVD player is determined to be defective or non-defective. a. What is the …

More Similar Questions