CCSS.7.SP.1 Practice Test

A school has 500 students. A random sample of 50 students is surveyed about lunch, and 32 say tacos are their favorite. What does this sample tell us about the larger school?

A city library has 2,000 members. A random sample of 100 members is surveyed, and 75 say they would use longer Sunday hours. What does this sample suggest about the whole membership?