Here is the first branch of a probability tree diagram., 5/11, 6/22, 12/22, 7/17, Here is the first branch of a different probability tree diagram. What should the missing probability be?, 0.82, 0.41, 0.18, 18, This tree diagram shows Amir taking red and blue counters from a jar. He replaces the counter after he has picked one up., 12/30, 3/15, 12/15, 11/14, For the probability tree shown, which calculation will find the probability of red followed by blue happening?, 0.2 x 0.2, 0.2 x 0.8, 0.2 + 0.2, 0.8 x 0.8, The probability that Amy and Joe win a game of chess is shown in the tree diagram. Work out the probability that over 2 games Amy wins twice., 0.09, 0.6, 0.9, 0.49, James draws this probability tree diagram to help him calculate probabilities of taking sweets from a bag. What assumptions has James made when completing this probability tree?, All probabilities add to one on each branch, He replaces the first sweet he takes , It doesn't matter if he eats the first sweet he takes , Amy is going to pick 2 biscuits from a box. Some are chocolate and some are plain. The probability tree shows the probability information., 1/5, 4/15, 8/15, 16/225, James is also going to pick 2 biscuits from a box. Some are chocolate and some are plain. The probability tree shows the probability information., 1/5, 4/15, 8/15, 16/225, Here is a probability tree showing Amir taking red and blue sweets from a bag., P (R,R), P(R,B), P(B,R), P(B,B), Probability of a dependent event is also called?, Conditional Probability , Biased Probability , Random Probability , Mutually Exclusive , This tree diagram shows Amir taking red and blue sweets from a bag. He does not replace the sweet after he has taken one., 6/10, 7/10, 6/9, 7/9, Simon has drawn this probability tree for a question on dependent probability. What mistake has he made?, The fraction on each branch do not sum up to one , The second part of the probability tree has incorrect probabilities , The probabilities should be a decimal.

Probability Trees

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