Probably Dice

You're on your way to a board game convention. Chances are there’ll be some stiff competition, so you decide to learn more about dice probabilities since you suspect you'll be rolling a lot of them soon.

Typically, when using multiple dice, you simply roll them and sum up all the result. To get started with your investigation of dice probability, write a function that takes the number of dice, the number of sides per die and a target number and returns the probability of getting a total roll of exactly the target value. ...

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