Question: You note that your officer is happy on 60% of your calls so you assign a probability of his being happy on your visits as 0.6. You have noticed also that if he is happy, he acceedes to ur request wid a probab. of 0.4,whereas if he is not happy he acceedes to d request wid a probab of 0.1. You call one day & he acceedes to ur request. What is d prob. of his being happy?