Tree diagram from written description

Reference no: EM13100180

A study showed that 60% of The Wall Street Journal subcribers watch CNBC every day. Of these, 70% watch it outside the home. Only 20% of those who don't watch CNBC every day watch it outside the home. Let D be the event "watches CNBC daily" and O be the event "watches CNBC outside the home."

a) Sketch a tree based on this data.

b) Calculate the probability of all joint probabilities

c) Verify that the joint probabilities sum to 1

Reference no: EM13100180

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