On the one hand 2560 patients were treated with a new medicine for depression and after a period of 3 months 480 of them were found to be feeling better. On the other hand, a group of 1870 patients who are depressed were given a placebo and after a period of 3 months 316 of them were found to be feeling better. Can we say that the new drug is more effective than the placebo (use = 5%)? Give the P-value of your test