When are two or more events called mutually exclusive? option A If the occurrence or nonoccurrence of one of the events does not affect the occurrence or nonoccurrence of the other event(s). option B If the occurrence and nonoccurrence of one of the events affect the occurrence and nonoccurrence of the other event(s). option C If the nonoccurrence of one event precludes the occurrence of the other event(s). option D If the occurrence of one event precludes the occurrence of the other event(s)