DanyD8951
30.09.2019 •
Mathematics
Plz
a teacher would like to estimate the percentage of her students who play chess.
which method should the teacher use to select the sample?
use a computer to randomly select 30 student ids from all her students
select every other student in her classes until she has selected a total of 30 students
use a computer to randomly select 30 student ids from all students
select all students who are currently in the chess club
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Ответ:
Ответ:
No, the ratios are not equivalent to 2/3. To create an equivalent ratio, you need to multiply both numbers in the original ratio by the same number.
I took a test and it said that this was correct. I hope this helps!