In 7500 iPhones, 18 were found defective.
18 of 7500 is 0.24%
0.24% of iPhones were defective.
Using the information above:
In a sample of 60000 new iPhones, 144 would be found defective.
144 of 60000 is 0.24%
Answer: 144 defective iPhones would be expected in a sample of 60,000.
Hope this helps! Good luck. :-)
C. No Association
This is because there is no definitive line in the graph or upwards or downwards trend
I believe that the answer is 13
2:3 is equivalent to 0.666 repeating
If you have any further questions feel free to ask.
Hope this helps.
