Question: In the Macworld Conference Expo Keynote Address on January 9, 2007, Steve Jobs announced a new product, the iPhone. A technology consultant for a consumer magazine wants to select 15 devices from the pilot lot of 70 iPhones to inspect feature coordination. Describe a method for obtaining a simple random sample of 15 from the lot of 70 iPhones. Use R to select a sample of 15. Give the R commands and the sample you obtained.