subject
Mathematics, 02.08.2021 22:40 makayladurham19

Layla is working on a PhD in computer science and wonders what the average page length is for dissertations in her field. She takes a random sample of 808080 computer science dissertations and notices that the distribution of their page lengths is skewed to the right with high outliers and a sample mean of \bar x=125.4 x ˉ =125.4x, with, \bar, on top, equals, 125, point, 4 pages. She's considering using her data to make a confidence interval for the mean page length of computer science dissertations. Which conditions for constructing a ttt interval have been met? Choose all answers that apply: Choose all answers that apply: (Choice A) A The data is a random sample from the population of interest. (Choice B) B The sampling distribution of \bar x x ˉ x, with, \bar, on top is approximately normal. (Choice C) C Individual observations can be considered independent.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.
Answers: 2
question
Mathematics, 21.06.2019 18:50
Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15
Answers: 1
question
Mathematics, 21.06.2019 22:30
At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?
Answers: 2
question
Mathematics, 21.06.2019 23:30
What is the volume of a rectangular crate that has dimensions 9 inches by 9 inches by 1 feet? 1,458 in.3 121.5 in.3 1,012.5 in.3 36 in.3
Answers: 1
You know the right answer?
Layla is working on a PhD in computer science and wonders what the average page length is for disser...
Questions
question
Mathematics, 19.06.2020 20:57
question
Mathematics, 19.06.2020 20:57
question
Mathematics, 19.06.2020 20:57
Questions on the website: 13722363