subject
Mathematics, 18.05.2021 01:00 eddsworldfrantic

A 2005 study looked at a random sample of 800 Canadians between the ages of 18 and 24 years, and asked them the following yes or no question: "When nothing is occupying my attention, the first thing I do is reach for my phone.” 77% responded yes to this question. 1) Using the above scenario, construct and interpret a 90% confidence interval.

2) Using the above scenario, test the claim and draw the appropriate conclusion at α = 0.05 that more than 75% of all Canadians in this age group would respond "yes" to the given statement.

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 13:30, love0000
The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).
Answers: 1
image
Mathematics, 21.06.2019 18:00, isaiahcannon5709
Use the data on the dot plot to answer the question. how many people read for more than three hours last week? i'm on a unit test review
Answers: 1
image
Mathematics, 21.06.2019 18:10, paaoolav
Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial
Answers: 2
image
Mathematics, 21.06.2019 21:30, iamhayls
Mama mia restaurant used 1 2 2 1 ? of their mozzarella cheese making pizza and the remaining 6 4 64 ounces making pasta. how many pounds of mozzarella cheese did mama mia start with?
Answers: 1
You know the right answer?
A 2005 study looked at a random sample of 800 Canadians between the ages of 18 and 24 years, and ask...

Questions in other subjects:

Konu
Physics, 04.11.2021 02:10