Every day, a random sample of 275 computer memory chips produced by a factory is tested to see if the chips meet their minimum speed ratings for certain operations. If 2 of the chips failed the test on a day when 20,500 chips were made, which is the best estimate of the number of memory chips made that day that are likely to meet the minimum speed ratings for those operations?

Question

anonymous · Answer

20,350

anonymous · Answer

20,351 chips
First, divide 2 by 275 to find percentage, then multiply by the amount of chips

anonymous · Answer

Thanks y'all

anonymous · Answer

I pulled the answer from the answer key. So now explanation, sorry.