Mathematics, 06.08.2021 15:50 heyyyyy39
A consumer group wishes to estimate the proportion of adult Twitter users that get at least some news on Twitter. A poll is conducted and it is found that from a SRS of 1251 adult Twitter users, 641 of them get at least some news on Twitter. You will be finding a 90% confidence interval for the fraction of adult Twitter users who get some news on Twitter.
Required:
a. Check that the normality assumptions are met?
b. What is the 90% confidence interval for the proportion of adult Twitter users that get at least some news on Twitter. Round to 4 decimal places.
c. Interpret the confidence interval obtained.
Answers: 1
Mathematics, 21.06.2019 18:00
10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.
Answers: 1
Mathematics, 21.06.2019 19:30
He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?
Answers: 1
Mathematics, 21.06.2019 21:00
Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?
Answers: 2
Mathematics, 21.06.2019 23:00
Jim had 3,067.48 in his checking account he wrote a check to pay for two airplane tickets. his account now has 1,845.24.
Answers: 1
A consumer group wishes to estimate the proportion of adult Twitter users that get at least some new...
Mathematics, 18.12.2019 15:31
English, 18.12.2019 15:31
Mathematics, 18.12.2019 15:31
History, 18.12.2019 15:31
Business, 18.12.2019 15:31
Chemistry, 18.12.2019 15:31
Physics, 18.12.2019 15:31
Mathematics, 18.12.2019 15:31
Mathematics, 18.12.2019 15:31
Biology, 18.12.2019 15:31
Mathematics, 18.12.2019 15:31