4. Mr. Canyon spins a wheel to determine the number of homework problems to assign. There are 20 sections labeled 1-20. What is the probability that there will be fewer than 13 problems
assigned for homework?

The major difference is that a histogram is only used to plot the frequency of score occurrences in a continuous data set that has been divided into classes, called bins.  bar charts, on the other hand, can be used for a great deal of other types ofvariables  including  ordinal  andnominal  data sets.

We need the pictures of the graphs