What are the coordinates of point B' if the translation vector (7,-5) is applied to tríangle ABC to produce the image triangle A
'B'C'?
A.(-1,2)
B.(3,4)
C.(5,-2)
D.(-3,0)
A.(-1,2)
B.(3,4)
C.(5,-2)
D.(-3,0)
1 answer:
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Answer:
The minimum sample needed to provide a margin of error of 3 or less is 52.
Step-by-step explanation:
The confidence interval for population mean (<em>μ</em>) is:
The margin of error is:
<u>Given:</u>
MOE = 3
<em>σ </em>= 11
The critical value for 95% confidence interval is:
**Use the <em>z</em>-table for critical values.
Compute the sample size (<em>n</em>) as follows:
Thus, the minimum sample needed to provide a margin of error of 3 or less is 52.
