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 at all. 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.