Question

what is the recommended number of bins in a histogram displaying the probability of 14 possible outcomes?

Answer 1

Choose between 5 and 20 bins. The larger the data set, the more likely you'll want a large number of bins. For example, a set of 12 data pieces might warrant 5 bins but a set of 1000 numbers will probably be more useful with 20 bins. The exact number of bins is usually a judgment call.

Explanation: