What is 32 divided by 7 rounded to The nearest tenth pond division
2 answers:
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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
Keeping in mind that 16 = 2*2*2*2, thus 16 = 2⁴
