Maria is to select one number from the set {60,61,62,63,64,65,66,67,68,69} at random. consider the following three events. event x: the selected number is an even number. event y: the selected number is a multiple of 3. event z: the selected number is a multiple of 5. part a: list the outcomes that are in event x or in event y but not in both events. part b: list the outcomes that are in both events x and y but not in z.