Answer: your answer is A) & D)
Step-by-step explanation: Hope this helps :)
If you cross mulitply the answer would be 13.3
I cant answer if there is no info
Standard error (SE)

Or

Therefore, SE of the mean = (8)/(2) =4
Answer (Please vote me Brainliest if this helps!):
The answer is D
Step-by-step explanation:
Lets start off with the square roots:
= 4
=
= 4.24264...
Mixed fraction:
= 4.667
Therefore the answer is D.