Distributions Q1 Part D

Here is the question:
Suppose that random variable X is uniformly distributed between 8 and 27. Draw a graph of the density function, and then use it to help find the following probabilities:

Attached below is my work, what am I doing wrong on D?



  • Well, I guess I'm not sure what "the following probabilities" are. Keep in mind that the problems have a random element so that your version has different numbers from other folks. Judging from your picture, maybe the right end of the sub-interval extends out to 31 which is past the right end of the main interval so that, perhaps, you need to account for that.

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