Mathematics, 19.03.2021 23:10 cityglamevents
A student would like to estimate the mean length of words in a book report he just finished writing. He selects a
random sample of 20 words and determines the mean length to be 4 characters. Later, he discovers how to use a
built-in function of his word-processing program that reveals that the mean length of all words in his book report is
4.3 characters. Which of the following statements is true?
The population is all words in the book report and the sample is the random sample of 20 words.
The population is the random sample of 20 words and the sample is all words in the book report
The population is the mean length of all words in the book report and the sample is the mean length of the 20
randomly selected words.
The population is the mean length of the 20 randomly selected words and the sample is the mean length of all
words in the book report.
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 19:10
Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.
Answers: 3
Mathematics, 21.06.2019 21:00
Carmen ayer en el mercado compro 3/4 kg de guayabas, 6/8 kg de peras, 1/2 kg de naranjas ¿cuantos kilogramos de fruta compro?
Answers: 2
Mathematics, 21.06.2019 21:30
Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3
Answers: 1
Mathematics, 21.06.2019 22:50
On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table
Answers: 1
You know the right answer?
A student would like to estimate the mean length of words in a book report he just finished writing....
Questions
History, 07.07.2019 23:00
Computers and Technology, 07.07.2019 23:00
Computers and Technology, 07.07.2019 23:00
Mathematics, 07.07.2019 23:00
Health, 07.07.2019 23:00
Mathematics, 07.07.2019 23:00
Chemistry, 07.07.2019 23:00
History, 07.07.2019 23:00
History, 07.07.2019 23:00
Mathematics, 07.07.2019 23:00
