21:3
9:3
3:1
there all a 3:1 ratio
Answer:
Andy ate 9 doughnuts because 21-9=12
12-9=3.
Answer: BRAINLIEST?
2.>
4.<
6.<
8. >
Step-by-step explanation:
Answer:
It would take 5 days
Step-by-step explanation:
1990/400 is 4.975 round that it is 5 so 5 days
Answer:
A student finds a 95% confidence interval of (16.34,18.69) for the mean number of species counted. This is a valid interval because the mean number of species or any population mean does not necessarily have to be a whole number, as stated by the student.
This given confidence interval of (16.34,18.69) helps us to simply estimate the mean species counted.