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# Need help with Decision trees! watch

1. I have been trying to solve this question for the past few hours and cannot find the answer.

I know the expected profit is 4575 but the answer I get for the second part is 5450-4575=875 which is apparently not right as it is not listed as an answer. Please help!

2. For the second part, what I would do is say, that a prediction would only be useful if there's low demand, since that's the only time they would make more money by selling the license of the product. If it's a low demand, they would make £5000 more by selling the license vs manufacturing it themsleves. The chance of a low demand is 0.25. So I would do 5000 * 0.25 = 1250. Is £1250 an option?
3. Oh, that's how you do it! Thank you so much, I've been fretting over this for the past day, never got taught to do this. Thanks again.

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Updated: November 13, 2016
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