please answer

ese two tn ou said I agr To determine probability distribution certain conditions must be met. For the probability distribution to exist the sum of the variables must between zero and one. I also agree with: The height of the bars on a probability histogram must equal one for probability distribution to exist. I have two questions (for Tiffany), based on your post. 1) From the two things in blue, what can you say is common between a probability distribution and a probability histogram? 2) What other condition must a probability distribution meet? (hint: take a look at the sentence with italics under the example table on page 710)