Hope this helps! the answer is option (A). if you still don’t understand after looking at my solution feel free to clarify ya
The general equation is y=ax squared+bx+c based off true and false
1 answer:
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Answer:
D.2.58
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 .
That is z with a pvalue of , so Z = 2.58.
The answer is given by option D.