SOLUTION: In a sample of 1500 new iPhones, 9 were found to be defective. At this rate, how many defective iPhones would be expected in a sample of 100,000 new iPhones? Write a proportion to

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Question 994059: In a sample of 1500 new iPhones, 9 were found to be defective. At this rate, how many defective iPhones would be expected in a sample of 100,000 new iPhones? Write a proportion to solve this problem and show all work.
Answer by rfer(16322)   (Show Source): You can put this solution on YOUR website!
9/1500=x/100000
1500x=100000*9
x=900000/1500
x=600

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