#37(abc) using values p1 = 0.1, p2 = 0.05, w0 = 0.01.

37. Two different diseases cause a certain weird symptom; anyone who has either or both of these diseases will experience the symptom. Let D1 be the event of having the rst disease, D2 be the event of having the second disease, and W be the event of having the weird symptom. Suppose that D1 and D2 are independent with P (Dj) = pj, and that a person with neither of these diseases will have the weird symptom with probability we. Let q, = 1 p3, and assume that 0