A Gallup poll of 1001 Americans age 18 and over conducted in May of 2013 found that 80% of the respondents "strongly agree" that K-12 schools should teach critical thinking to children.The margin of error is 3.2%.

1.What is the population represented here?

2.What is the sample?

3.Use the margin of error to calculate the 95% confidence interval for this statistic?

4.Interpret the confidence interval for this poll in a meaningful sentence. Remember the margin of error provided is 95% certain.

A Gallup poll of 1500 adults 18 and older living in all 50 states found that 3% of US adults believe that high school students are very prepared for success in college, and 22% believe graduates are prepared. 56% believe high school graduates are somewhat prepared and 17% believe they are not prepared.

5.What is the population represented here?

6.What is the sample?

7.Determine whether the poll was fair or biased.Justify your choice.

8.If the margin of error is reported to be 2.6%, calculate a confidence interval for the proportion of Americans who believe high school graduates are prepared for college.

9.Interpret the confidence interval for the above interval in a meaningful sentence. Remember the margin of error provided is 95% certain.