Which one is the scaled copy Explain how
1 answer:
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Answer:
c) .22
Step-by-step explanation:
We have that to find our level, that is the subtraction of 1 by the confidence interval divided by 2. So:
Now, we have to find z in the Ztable as such z has a pvalue of .
So it is z with a pvalue of , so
Now, find the margin of error M as such
In which is the standard deviation of the population and n is the size of the sample.
In this question:
Then
The simplification of the given expression will be equal to
The process of reducing the complex mathematical expressions into the simplest form is called as the simplification.
The simplification of the given expression will be:
hence the simplification of the given expression will be equal to
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