A Bloomberg National Pollwas conducted by Selzer & Company between December 2-5, 2016.999 adults nationwide were asked the question:

"Do you believe climate change is a major threat, a minor threat, or no real threat?"

460 individuals responded "major threat".

A similar poll was conducted between April 8-12, 2021.Of the 1,237 individuals questioned, 495 adults also responded "major threat".

1. Is there a significant change in opinions between 2009 to 2021?Test the claim at a 1% level of significance.
2. Based on your decision in part (a), what type error may have occurred?Interpret the meaning of this errorin plain English(non-statistical jargon).