An elementary school has the following students.
240 students in 3rd grade
150 students...
Mathematics, 10.03.2021 17:40 jahnoibenjamin
An elementary school has the following students.
240 students in 3rd grade
150 students in 4th grade
100 students in 5th grade
The librarian wants to know which books are most popular among the school’s 3rd-5th grade students. Which of the following sampling methods would provide the most accurate representation of the populations’ preferences?
Select 15 third graders, 15 fourth graders and 15 fifth graders at random
Select 15 third graders, 25 fourth graders and 40 fifth graders at random
Select 40 third graders, 25 fourth graders and 15 fifth graders at random
Select 40 third graders, 40 fourth graders and 40 fifth graders at random
Answers: 3
Mathematics, 21.06.2019 13:00
(40 points) i need some . an answer definition is appreciated as well.
Answers: 2
Mathematics, 21.06.2019 13:20
Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.
Answers: 2
Mathematics, 21.06.2019 14:00
What is the product of the radical expression. (7-2square root) (8+2 square root)
Answers: 2
Mathematics, 21.06.2019 23:30
Savannah had 40 iris blooms last year this year she had 15% more iris blooms how many more hours blooms did savannah have this year
Answers: 1