Let X be a continuous rv with cdf [This type of cdf is suggested in the article...

Let X be a continuous rv with cdf

[This type of cdf is suggested in the article “Variability in Measured Bedload-Transport Rates” (Water Resources Bull., 1985: 39–48) as a model for a certain hydrologic variable.] What is

a. P(X ≤ 1)?

b. P((1 ≤ X ≤ 3)?

c.The pdf of X?