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6. There are four routes, A, B, C, and D, between a per- son’s home and...

6. There are four routes, A, B, C, and D, between a per-
son’s home and the place where he works, but route B
is one-way, so he cannot take it on the way to work, and
route C is one-way, so he cannot take it on the way home.
(a) Draw a tree diagram showing the various ways the
person can go to and from work.
(b) Draw a tree diagram showing the various ways he
can go to and from work without taking the same route
both ways.

Math   Statistics-And-Probability   
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