What is the answer true or false?

Use the graph of the sine function y=2sinθ shown below

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

E. which of the following is not a possible probability? a. 25/100 b. 1.25 c. 1 d. 0