Mathematics, 05.05.2020 01:22 bri9263
Suppose the length, in words, of the essays written for a contest are normally distributed and have a known population standard deviation of 325 words and an unknown population mean. A random sample of 25 essays is taken and gives a sample mean of 1640 words.
Identify the parameters needed to calculate a confidence interval at the 98% confidence level. Then find the confidence interval.
z0.10 z0.05 z0.025 z0.01 z0.005
1.282 1.645 1.960 2.326 2.576
Answers: 2
Mathematics, 21.06.2019 15:40
In what form is the following linear equation written y=9x+2
Answers: 1
Mathematics, 21.06.2019 20:30
East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy
Answers: 1
Mathematics, 21.06.2019 21:00
Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?
Answers: 1
Mathematics, 21.06.2019 21:00
Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?
Answers: 2
Suppose the length, in words, of the essays written for a contest are normally distributed and have...
Chemistry, 18.03.2020 01:25
Biology, 18.03.2020 01:25
Mathematics, 18.03.2020 01:25
History, 18.03.2020 01:25
Mathematics, 18.03.2020 01:25
Social Studies, 18.03.2020 01:25
Spanish, 18.03.2020 01:25
Biology, 18.03.2020 01:25
English, 18.03.2020 01:25
History, 18.03.2020 01:25
Mathematics, 18.03.2020 01:25