In July in Virginia, the temperature can quickly rise above 90 degrees Fahrenheit, which can also lead to thunderstorms. The probability that the temperature will rise above 90 on a randomly chosen day is 0 point 6 8 , and the probability of thunderstorms is 0 point 2 9 If the temperature rises above 90 degrees, the probability of a thunderstorm is 0 point 5 6 What is the probability that the temperature rises above 90 degrees and there is a thunderstorm on a randomly chosen day in July?