Students perform hilarious routine at school talent show

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