Before the marketing research study was completed, John Colorado believed there was a 50/50 probability that the music store would be the success. Research team determined that there is 0.9 probability that marketing research will be favorable given the successful music store. There is also 0.8 probability that marketing research will be unfavorable given the unsuccessful music store.
i) If marketing research is favorable, determine revised probability of unsuccessful music store?
ii) If marketing research is unfavorable, determine revised probability of unsuccessful music store?