Mathematics, 13.04.2021 01:50, ciel8809

A national survey of 1000 adult citizens of a nation found that 21% dreaded Valentine's Day. The margin of error for the survey was 10.7 percentage points with 85% confidence.

Explain what this means.

Which statement below is the best explanation?

O A. In 85% of samples of adult citizens of the nation, the proportion that dreaded

Valentine's Day is between 0.103 and 0.317.

O

B. There is 85% confidence that 21% of the adult citizens of the nation dreaded

Valentine's Day

O

C. There is 85% confidence that the proportion of the adult citizens of the nation that

dreaded Valentine's Day is between 0.103 and 0.317.

O

D. There is 74.3% to 95.7% confidence that 21% of the adult citizens of the nation

dreaded Valentine's Day.

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 23:30, sindy35111

Atown has a population of 17000 and grows at 2.5% every year. to the nearest year, how long will it be until the population will reach 19600?

Answers: 1

continue

Mathematics, 22.06.2019 00:30, whitbol

For the word below, click on the drop-down arrows to select the root and its meaning. version

Answers: 2

continue

Mathematics, 22.06.2019 00:50, richard80

Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte

Answers: 3

continue

Mathematics, 22.06.2019 02:30, kam110800

Jennifer is 20 miles north of her house, and she is driving north on the highway at a rate of 55 miles per hour whats the slpoe

Answers: 2

continue

Do you know the correct answer?

A national survey of 1000 adult citizens of a nation found that 21% dreaded Valentine's Day. The ma...