Compound Probability Marbles

A bowl contains 12 red marbles 5 blue marbles and 13 yellow marbles.
Compound probability marbles. Get homework help now. Without replacement the total number of outcomes decreases after each drawing. Free online tutoring on thursday nights. The probability of a compound event is the ratio of favorable outcomes to total outcomes in the sample space for which the compound events happen.
Find the probability of drawing a blue marble and then drawing a yellow marble. Find the probability of drawing a second marble that is purple. 1 a bag contains six red marbles and eight blue marbles. So the probability of getting a red marble now is 2 9.
Find the probability of the first marble being green and the second marble being yellow. The probability of the second outcome is still with six marbles. Let a blue marble chosen 1st and b yellow marble chosen 2nd. Two marbles are randomly drawn from a bag containing 3 purple 1 blue and 1 yellow marble.
Remember that you can use sample spaces tree diagrams tables and. Set theory a set broadly defined is a collection of objects. The total number of marbles in the bowl is 12 5 13 30. The first marble is blue and is not replaced.
Both marbles are red. Preview this quiz on quizizz. In the context of probability theory we use set notation to specify compound events. For example we can represent the event roll an even number by the set 2 4 6.
This video is unavailable. A jar contains 2 green marbles 4 blue marbles 3 yellow marbles assessment 9 1 compound probability with. That is simply 3 10 since there are two red marbles and ten in all. After you get a red marble and don t put it back the bag now has one red marble less.
This example talks about drawing marbles out of a bag. You randomly pick a marble and then pick a second marble without returning the marbles to the bag. 2 a bag contains seven red. We first find the probability that the first marble is red.