Probability of Difference in Sample Proportions

A study found that 25 percent of customers at a revamped fast-food restaurant leave at least 100 calories uneaten, while 19 percent of customers at an unrevamped restaurant do so. Independent random samples of 110 customers from revamped restaurants and 120 customers from unrevamped restaurants are selected. What is the approximate probability that the difference in the sample proportions (revamped minus unrevamped) of customers leaving at least 100 calories uneaten will be greater than 0.10?