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WINSTONCH [101]
2 years ago
8

How does confidence interval affect margin of error.

Mathematics
1 answer:
Vesnalui [34]2 years ago
8 0
The width of the confidence interval is twice the margin of error. The lower bound of the confidence interval is the observed score minus the margin of error;
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-3 + (-8)<br> how can i do this
murzikaleks [220]

Answer: -11

Step-by-step explanation:

+(-8) can be simplified to -8 because when you multiply a positive sign by a negative sign, the outcome is a negative sign. So your problem is -3-8= and the answer is -11 because when two numbers with the same sign are subtracted/added by each other, the numbers just get added and the sign stays the same. If you're still confused, use a number line. Hope this helps!

6 0
3 years ago
Please help with this maths question!??
tia_tia [17]

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2.44746×10⁶

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R=(3.8×10⁵)²/5.9×10⁴

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