Jinza initially believes that there is a 50-50 chance that his bother's food store would be a success.

jinza Bruno is going to help his bother who wants to open a food store. Jinza initially believes that there is a 50-50 chance that his bother's food store would be a success. jinza is considering doing a marketing research will be favorable given a successful food store. moreover, there is a 0.7 probability that the marketing research will be unfavorable given an unsuccessful food store.(a)if the markating research is favorable,what is Jinza's revised probability of a successful food store for his brother?