Please explain

Do you carpool? Let X represent the number of occupants in a randomly chosen car on a certain stretch of highway during morning commute hours. A survey of cars showed that the probability distribution of X is as follows. X 2 3 4 5 P(x) 0.64 0.11 0.09 0.02 0.14 Send data to Excel Part 1 of 7 (a) Find P (4). P (4) = 0.2 Part: 1 / 7 Part 2 of 7 (b) Find P (Less than or equal to 2). P (Less than or equal to 2) =]