A 2015 Gallup poll of 1,627 adults found that only 22% felt fully engaged with their mortgage provider.

What is the sample size?

The margin of error for this data set is 2.5%. What is the 95% confidence interval for those who say they felt fully engaged with their mortgage provider (rounded to 1 decimal place)?

(Example answer:32.6 to 42.9)

%

Flag question: Question 2

Question 2

1pts

Using the previous problem about mortgage providers, complete the sentence below for the interpretation of the 95% confidence interval.

I am 95% confident that% to% of people felt fully engaged with the mortgage provider.

Flag question: Question 3

Question 3

4pts

A recent 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.

What is the sample size?

For this survey, the margin of error is measured to be 3.2%. What is the 95% confidence interval for Americans who "strongly agree" that K-12 schools should teach critical thinking to children (rounded to 1 decimal place)?

(Example answer:32.6 to 42.9)

%

Flag question: Question 4

Question 4

1pts

Using the previous problem, complete the sentence below for the interpretation of the 95% confidence interval.

I am 95% confident that% to% of Americans 18 and over "strongly agree" that K-12 schools should teach critical thinking to school children.

Flag question: Question 5

Question 5

4pts

A total of 3850 people were asked about a movie and its soundtrack. The survey shows that 50% of all people who like the movie, enjoyed the official movie soundtrack too.

What is the sample size?

If the margin of error for this survey is 1.6%, what is the 95% confidence interval for those who said they liked the movie, enjoyed the official movie soundtrack too?

(Example answer:32.6 to 42.9)

%

Flag question: Question 6

Question 6

3pts

Using the previous problem, complete the sentence below for the interpretation of the 95% confidence interval.

I am

[ Select ]

["

1.6% confident

", "

95% confident

", "

100% confident

", "

3850% confident

", "

48.4% confident

", "

51.6% confident

"] that

[ Select ]

["

48.4%

", "

51.6%

", "

-48.4%

", "

-51.6%

", "

95%

", "

1.6%

"] to

[ Select ]

["

48.4%

", "

51.6%

", "

-48.4%

", "

-51.6%

", "

95%

", "

1.6%

"] of people

[ Select ]

["

are 95% confident

", "

are within the range of numbers

", "

have a total of 3850

", "

only liked the movie

", "

only enjoyed the soundtrack

", "

liked the move and the soundtrack

"] .

Flag question: Question 7

Question 7

3pts

If you ask 100 people about taking morning classes and an average of 58% say they do not want to take math in the morning, what can you conclude about this statement? The margin of error is 10%.

Group of answer choices

Most people prefer morning classes.

Most people do not prefer morning classes.

Unable to draw any major conclusion.