7525) 550on hot, sunny, summer days , jane rents inner tubes by the river that run through her town. Based on her past experience, she has assigned the following probability distribution to the number of tubes she will rent on a randomly selected days.

x 25 50 75 100 total

find the probability expression ( round answer to 2 decimal places)

a. P(X =25) ____________

b. P(X50)____________

c. P(X>25)_____________

d. P(X<75)_____________