<span>Ans : a)
What is the standard deviation of this sampling distribution?
Ď /âšn
= 60/âš840
=2.0702
b)
1 standard deviation of the mean
= (1) 2.07
= 2.07
c)
272+/- 1(2.07)
(269.93, 274.07)</span>
The Least Common Multiple is 60
Answer: x = 1 so 1/2 - 4/1 + 8 = 0n
Step-by-step explanation: