Your investment advisor has a portfolio of 75 stocks: 40 high-growth stocks and 35 high-dividend stocks. Of the 40 high-growth stocks, 25 have increased in value over the last year, whereas 10 of the high-dividend stocks have increased in value.

(a) If a stock is selected at random, what is the probability that the stock will be a high-dividend stock that has increased in value?

(b) What is the probability of selecting a stock that has not increased in value?

(c) If the stock selected has increased in value, what is the probability that it is a high-growth stock?