There are 9 acts in a talent show. An acrobat, a comedian, a dancer, a guitarist, a juggler, a pianist, a singer, a violinist, and a whistler. A talent show host randomly schedules the 9 acts. Compute the probability of each of the following events. Event A: The pianist is first, the guitarist is second, the singer is third, and the comedian is fourth. Event B: The first four acts are the comedian, the singer, the violinist, and the guitarist, in any order. Write your answers as fractions in simplest form. P(4) = 0 %3! P(3) -