Answer:
Step-by-step explanation:
Do it yourself m8!
Answer:
i want to say C, im sorry if its wrong but im pretty sure its the right one
Step-by-step explanation:
Answer:
5 ninths
Step-by-step explanation:
you make the thirds to ninths and then subtract
<span>Standard deviation for mean of n objects = (square root n) x s.d. for one
object.
So you need (2.8/0.5)^2 or around 32.</span>