1 Consider the network shown in Figure 22(ii), and assume that the two telescopes work identically. N ∈ {1, 2, 3} and M1,M2 ∈{0, 1, 2, 3, 4}, with the symbolic CPTs as de scribed in Exercise 12. Using the enumeration algorithm (Figure 9), calculate the probability distribution P(N |M1 =2,M2 =2).