Respuesta :

a) P( Jordan finishes before Jacobs)= 2/5 = 0.40
P( Jacobs finishes before Julia)   =  3/5 = 0.60
P(Jordan finishes before Jacobs AND before Julia) = 0.40 x 0.60 = 0.24

b)P( Jordan finishes before Jacobs)= 2/5 = 0.40 (already calculated