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If the probability of choosing red marble was 8/15, how many yellow marbles would be in the box
A.3
B.4
C.7
D.6
If the probability of choosing red marble was 8/15, how many yellow marbles would be in the box
A.3
B.4
C.7
D.6
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(C)
•What Is Probability Without Replacement Or Dependent Probability?
In some experiments, the sample space may change for the different events. 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. The sample space for the second event is then 19 marbles instead of 20 marbles.
This is called probability without replacement or dependent probability. We can use a tree diagram to help us find the probability without replacement.