Five balls are randomly chosen, without replacement, from an urn that contains 5 red, 4 white, and 3 blue balls. 1. What is the probability of an event (2red & 2blue & lwhite) balls? 2. What is the probability of an event (at least 2red) balls? 3. What is the probability of an event (not white) balls? 4. What is the probability of an event (red & blue & white& blue &red) balls?