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The confidence interval would be wider so that you can be more confident that the parameter you're measuring (eg: population mean mu) is inside the confidence interval.
It's like saying "the treasure is somewhere in the country" which is fairly vague but could be true. To be more confident, you can update it to "the treasure is somewhere on the continent". It's even more vague but it increases the chances of being correct.
Answer: A, second quadrant
Answer:
70
Step-by-step explanation:
C and 110° are opposite angles of a cyclic quadrilateral.
Opposite angles of a cyclic quadrilateral are supplementary.