Question

Jared is in charge of production in a factory that makes lightbulbs. The factory made 2,648 lightbulbs over the weekend. Jared wants to pull a sample of these bulbs for testing. Which sample would give Jared the most-accurate test results? a sample consisting of every 20th lightbulb a sample consisting of every 40th lightbulb a sample consisting of every 50th lightbulb a sample consisting of every 100th lightbulb

Answer 1

Every 20th lightbulb because this improves the rate of accuracy from 1/100, 1/50, or 1/40 to 1/20, which is greater than all of those. 

Answer 2

I believe the answer is the sample from the 20th lightbulb

Hoped my answer helped :)