Ursula has 5 cubes with side lengths of 1/2 inch and 24 cubes with side lengths of 1/4 inch. Together, the 29 cubes could be use
d to fill a rectangular prism with what dimensions?
A. 1 inch x 2 inches x 1/2 inch
B. 2 1/2 inches x 6 inches x 6 inches
C. 4 inches x 1/2 inch x 1 3/8 inches
D. 5 1/2 inches x 6 1/4 inches x 4 1/4 inches
*also, if you know the answer, I would like if you could explain how you got it,but you aren't obligated to*
A. 1 inch x 2 inches x 1/2 inch
B. 2 1/2 inches x 6 inches x 6 inches
C. 4 inches x 1/2 inch x 1 3/8 inches
D. 5 1/2 inches x 6 1/4 inches x 4 1/4 inches
*also, if you know the answer, I would like if you could explain how you got it,but you aren't obligated to*
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