Use the Venn diagram below to find the number of elements in the region.
n(A)
A. 12
B. 4
C. 17
D. 9
Answer: C
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Evaluate the integral.
dx
A. 
+ ln
+ 
+ C
B. 
+ ln
- 
+ C
C. 
+ 
+ C
D. (x + 5)2 tan-1 2x + ln
+ 
+ C
Find the standard deviation for the given data. Round your final answer to one more decimal place than that used for the observations.The manager of a small dry cleaner employs six people. As part of their personnel file, she asked each one to record to the nearest one-tenth of a mile the distance they travel one way from home to work. The six distances ( in miles) are listed below.14.2?14.9?26.8?46.9?11.5?17.7
A. 2904.0 mi B. 3787.0 mi C. 13.29 mi D. 36.9 mi
Compute r, the linear coefficient of correlation, for the given data.Managers rate employees according to job performance and attitude. The results for several randomly selected employees are given below.
A. 0.863 B. 0.916 C. 0.729 D. 0.610
Solve the problem.The First Nations Bank pays 3
% interest per year on savings accounts. What is the annual income on a savings account of 
? Round to the nearest dollar.
A. $2,020,000 B. $1939 C. $202,000 D. $19,390