advertisement are 0.6 and 0.4,respectively. If the site visitor arrives from a search site, the probabilities of blue and green colors in the advertisement are 0.1 and 0.9, respectively. The proportions of visitors from affiliates and search sites are 0.3 and 0.7, respectively. What is the probability that a visitor is from a search site given that the blue ad was viewed?
Fig: 1