Exam- probability | Mathematics homework help
1. Assume that an event A contains 10 observations and event B contains 15 observations. If the intersection of events A and B contains exactly 3 observations, how many observations are in the union of these two events?A. 28B. 10C. 22D. 0 2. Let event A = rolling a 1 on a die, and let event B = rolling an even number on a die. Which […]
