Discover the answers you need at Westonci.ca, where experts provide clear and concise information on various topics. Our Q&A platform provides quick and trustworthy answers to your questions from experienced professionals in different areas of expertise. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.

A local high school has 600 students in grade 9, 400 in grade 10, 300 in grade 11 and 200 in grade 12. A sample of 100n students is used to choose which brand of chocolate bar should be sold in the bending machine. How many of the 100 surveys should handed out to?