continuous. (a) Take a 40-question examination. random variable x= number of questions answered correctly Identify the values that the random variable can assume. 0,1,2,0,1,2,,40x>00x40noneofthese State whether the random variable is discrete or continuous. continuous discrete (b) Observe cars arriving at a tollbooth for 2 minutes. random variable x= number of cars arriving at tollbooth Identify the values that the random variable can assume. 0,1,2, 0,1,2,,60 x>0 0x2 none of these none of these State whether the random variable is discrete or continuous. continuous discrete random variable x= number of returns containing errors Identify the values that the random variable can assume. 0,1,2,0,1,2,,55x>00x55noneofthese State whether the random variable is discrete or continuous. cantinuous discrete (d) Observe an employee's work. random variable x= number of nonproductive hours in a nine-hour workday Identify the values that the random variable can assume. 0,1,2,0,1,2,,9x>00x9 none of these State whether the random variable is discrete or continuous. continuous discrete (e) Weigh a shipment of goods. random variable x= number of pounds Identify the values that the random variable can assume. 0,1,2,0,1,2,,16x>00x1