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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

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