In this tree diagram, a white sock has been selected and put on, so there are no longer 5 white socks in the drawer. There are only 4. The total number of socks has also gone from 9 to 8.

The basic idea of a probability tree is to use the properties of probability to make a branching diagram of different outcomes. The most important relevant law of probability is that the ...

Conditional probability occurs when it is given that something has happened. (Hint: look for the word “given” in the question. The probability that a tennis player wins the first set of a ...

To make a tree diagram for probability, branches need to be created with the probability on the branch and the outcome at the end of the branch. One needs to multiply continuously along the ...