Question: A thermostat will call for heat 0, 1, or 2 times a night. Construct a tree diagram to show that there are 10 different ways

A thermostat will call for heat 0, 1, or 2 times a night. Construct a tree diagram to show that there are 10 different ways that it can turn on the furnace for a total of 6 times over 4 nights.

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