Question: Tree Diagram (a) Draw a tree diagram to display all the possible headtail sequences that can occur when you fl ip a coin three times.

Tree Diagram

(a) Draw a tree diagram to display all the possible head–tail sequences that can occur when you fl ip a coin three times.

(b) How many sequences contain exactly two heads?

(c) Probability Extension Assuming the sequences are all equally likely, what is the probability that you will get exactly two heads when you toss a coin three times?

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