6) The Quindecim wants to run a column asking readers whether they approve of paths in the woods. The student reporter receives approximately 484 responses. Nearly 91% said they were satisfied with the wooded paths, with a margin of error of about 5%. a) Why is this sample blased? Explain all reasoning. b) What is the direction for the blas? Is the 91% probably higher or lower than the population parameter? Explain c) The researcher wants to lower the margin of error to 2%. How can she do this? Explain