# When researchers want to determine the truth of a theory or hypothesis, they don t use the words prove or proof, instead they talk about truth in terms of probability. Why is this so?

When researchers want to determine the truth of a theory or hypothesis, they don t use the words prove or proof, instead they talk about truth in terms of probability. Why is this so?

A histogram shows that the total rainfall in a certain city has increased over the last five years. What is the probability that the total will be higher this year than last year? We know that there are many factors that affect weather predictions, but let s ignore those for now and treat this like a simple probability (like the toss of a coin). Please give us your best numerical estimate for getting more rain this year.

You are a contestant in a game show. There is a car behind one of three curtains before you. You choose curtain #1 as the curtain with the car behind it. Susie (the hostess) decides to show you what is behind one of the curtains you did not choose

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