Find the mean of the list of data.15, 17, 19, 19, 17, 15
A. 18
B. 16
C. 19
D. 15
E. 17
Answer: E
Mathematics
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Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series.
A. 
< 1.98 × 10-2
B. 
< 1.15 × 10-3
C. 
< 4.48 × 10-3
D. 
< 1.80 × 10-3
Mathematics
Find the midpoint of the line segment with endpoints A and B.A
; B
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.In a survey about the number of siblings of college students, the following probability table was constructed: 
What is the probability that a student 3 or more siblings?
A. 0.09 B. 0.22 C. 0.78 D. 0.13
Mathematics
Write the rational expression in lowest terms.
A. 
B. 
C. - 
D. 
Mathematics