I need help with this , thanks in advance

Problem 3 i2 mints [. An auditing model correctly predicted bankruth of 90% of firms that in fact did fail and correctly predicted nonbankruptcy of 80% of firms that did not fail. Besides, the historical data shows that 30% of rms for 1which the model made its prediction did fail in the last year. a! Find the probability that the model will predict bankruptcy for a firm. b! Find the probability that a firm will go bankrupt, given that the model has predicted it will do so