Determine whether the study involves selection bias, participation bias, both selection bias and participation bias, or neither.You are interested in the degree of satisfaction amongst customers at your video store. For one week, you hand a customer satisfaction questionnaire to every customer who comes into the store and ask them to fill it out and place it in a box after they check out.
A. Selection Bias
B. Participation Bias
C. No Bias
D. Participation Bias and Selection Bias
Answer: B
Mathematics
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Evaluate the integral.
dx
A. 
3/2 + C
B. 
3/2 + C
C. 4
3/2 + C
D. - 
-1/2 + C
Mathematics
Identify the domain and the range of the relation from the graph.
A. Domain: [-5, ?) Range: (-?, ?) B. Domain: (-?, ?) Range: [-5, ?) C. Domain: (-?, ?) Range: [5, ?) D. Domain: [5, ?) Range: (-?, ?)
Mathematics
Solve the system of equations by the substitution method.-4x + 7y = 592x - 5y = -43
A. {(1, 9)} B. {(1, 10)} C. {(0, 10)} D. ?
Mathematics
Point P is on the terminal side of ?. Evaluate the six trigonometric functions for ?. If the function is undefined, write "undefined."P(-6, 5); find sin ?.
A. 
B. - 
C. 
D. 
Mathematics