An examination started 12.50 pm and lasted for 2 and half hours. at what time did it end
2 answers:
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Answer:
The margin of error for the 99% confidence level for this sample is ±2.23.
None of the given figures is close to the answer:
E. None of the above
Step-by-step explanation:
margin of error (ME) around the mean can be calculated using the formula
ME= where
- z is the corresponding statistic of the 99% confidence level (2.576)
- s is the population IQ standard deviation (15)
- N is the sample size (300)
Using these numbers we get:
ME= ≈ 2.23
Answer:
Step-by-step explanation:
-1 horizontally = 1 units left (the x-axis)
9 vertically = 9 units up (y-axis)
*Black line: is the preimage
*Red line is the translation
Hope this helps!
