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

A. P(X>27) =

B. P(X<13.1) =

C. P(13

D. P(17

A quiz consists of 20 multiple-choice questions, each with 4 possible answers. For someone who makes random guesses for all of the answers, find the probability of passing if the minimum passing grade is 50 %. P(pass)=