Determine whether or not each of the following is a binomial random variable. if it is not a binomial random variable, provide a short explanation. a) you roll a die 25 times. let x be the number of times that you roll "3". b) the sjsu football team will play 12 games next season. they have a 70% chance of winning each conference game and a 60% chance of winning each non-conference game. let x be the number of games the sjsu football team wins next season. c) evelyn has a 75% chance of getting an a in each class she takes. let x be the number of times evelyn earns an a during four years at sjsu.