after scoring a touchdown a foot ball team may elect to attempt a two-point conversion, by running or passing the ball into the end zone. If successful, the team scores two points. For a certain football team, the probability that this play is successful is 0.5, If the conversion is successful, teh team scores 2 points: if not the team scores 0 points. Let Y be teh number of points scored. does Y have a Bernoulli distribution?