Replacing A Marble Independent Or Dependent

Answer since i m not drawing with replacement it s tempting to think that these are dependent events but they.

Replacing a marble independent or dependent.

The events are dependent. First a red colored marble is drawn and then without replacing the first marble a blue colored marble is drawn. Two marbles are drawn at random without replacement. If it s a green marble whatever marble it is at whatever after the first pick we leave it on the table.

Identify the following compound event as independent or dependent and then find the probability of the events both occurring. We are not replacing it. The sample space for the second event is then 19 marbles instead of 20 marbles. A box contains 2 red marble 3 white marble 4 green marbles and 1 blue marble.

The sample space of the second draw has changed leaving only 4 marbles. A bag contains 6 marbles 3 red and 3 blue. By not replacing the marble after the first draw the probability of the second draw is affected. P green then red p green p red given green occurred 3 5 2 4 6 20 3 10.

Dependent events are what we look at here. Are the two events dependent or independent. Are the two events dependent or independent. What is the probability of drawing a red marble replacing it and then drawing another red marble.

A box contains 5 purple marbles 3 green marbles and 2 orange marbles. Preview this quiz on quizizz. One marble is removed from the box and then replaced. Six are blue and four are red.

First a red colored marble is drawn and then without replacing the first marble a blue colored marble is drawn. We can go one step further and see what happens when we pick a second marble. I have a drawer with 10 socks in it. Draws are made without replacement.

Are these independent events or dependent events. I randomly select a sock from the set of blue socks and then i randomly select a sock from the set of red socks. This is called probability without replacement or dependent probability. Independent 1 2 dependent 1 2 dependent 1 4 independent 1 4.

Because the first marble is replaced the size of the sample space 9 does not change from the first drawing to the second so the events are independent. What is the probability that the first marble is blue and the second marble is green. Find the probability of problems work space selecting a green marble in a second draw if the first marble is blue. Let me make this clear not independent.

There is a 2 5 chance of pulling out a blue marble and a 3 5 chance for red. So these are not independent events. Is a wonderful way to picture what is going on so let s build one for our marbles example. Another marble is drawn from the box.

For example a marble may be taken from a bag with 20 marbles and then a second marble is taken without replacing the first marble. So there s not any replacement here.