It came a big suprise when Apple\'s touchscrren Iphone 4 was found to have a problem. Users compalined of weak reception, and sometimes dropped calls. A quick survey at a local store found that 2 % of iphone 4 users experienced this reception problem. A. State true or false. The population is all Iphone 4 users? B. Does 2 % indiciate the population parameter or sample statistic ? Solution A. False. Problems are mostly in iPhone 5. B. Population parameter.