Step-by-step explanation:
25 = 3.75
1 = 0.15
90 = 12.60
1 = 0.14
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If an x-coordinate repeats, can a relation still be a function?I need help right now
1 answer:
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Answer: 18
Step-by-step explanation:
The formula to find the minimum sample size is given by :_
, where = population standard deviation.
z*= critical z-value.
E= Margin of error.
Given :
E= ± 8
We know that critical value corresponding to 99% confidence level = z*=2.576 [Using z-table]
Then, the required sample size would be :
[Round to next integer.]
Hence, the required minimum sample size = 18