Two questions from the subject of statistics and probabilities, send me the solution quickly if possible.

(2) ?Q13) Consider the following probability density function, what is the F(14) 0.22 0.22 0.05 x = 11 0.05 x = 13 x = 15 0.06 0.33 x = 17 0.06 x = 19 0.01 x = 23 0.54 0.93 0.99 O O O O O