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Answer:
3,315 is the answer
Step-by-step explanation:
1) Just divide
9945 ÷ 3 = 3,315
Not hard
But here my answer!
Answer:
B
Just multiply by 4 to isolate x; because 4 isn't negative, u keep the sign the same.
Answer: a. $128.125
Step-by-step explanation:
The standard error of the mean is given by :
, where = population standard deviation , n= sample size.
Given:
n= 256
Then, the standard error of the mean:-
Hence, option a. is correct.
4 is the answer for your question