Aaron is in his math class. His teacher says that class will be dismissed when the minute hand makes a 90° clockwise rotation. W
hat time will it be when the teacher dismisses the class?
4:05
3:35
3:25
3:20
3:55
4:05
3:35
3:25
3:20
3:55
1 answer:
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Answer:
The critical value for the 95% confidence interval is z = 1.96.
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 z = 1.96.
The critical value for the 95% confidence interval is z = 1.96.