Following is the probability distribution of a random variable that represents the number of extracurricular activities a college freshman participates in. x 0 1 2 3 4 P(x) 0.04 0.15 0.47 0.21 0.13 Send data to Excel Part: 0 / 3 Part 1 of 3 (a) Find the probability that a student participates in exactly two activities. The probability that a student participates in exactly two activities is X K