Question: A survey finds 60% of students with pets are responsible for cleaning . In a random  sample of 50 students with pets , 40 say they clean up after their pets. How does this compare with the population, and what does it suggest?
A) Sample supports the population proportion
B) Sample sontradicts the population proportion
C) Cannot make conclusions with this sample size
D) Sample shows a significant increase
Correct answer: A
Grade: 8 | Topic: Statistics and Probability | Difficulty: Hard | Standard: 8.SP.A.4