![]() ![]() ![]() Notice that, in the coin toss tree diagram example, the outcome of each coin flip is independent of the outcome of the previous toss. The probability of getting both a heads and a tails is 0.25 + 0.25 = 0.5 Independent Events and Dependent Events.The probability of getting at least one tails from two consecutive flips is 0.25 + 0.25 + 0.25 = 0.75.The probability of getting heads first and tails second is 0.5x0.5 = 0.25.Note that the sum of the probabilities of all of the outcomes should always equal one.įrom this point, you can use your probability tree diagram to draw several conclusions such as:
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