Use the guidelines to evaluate the study. From the information given, what is the biggest flaw in the study?"38% of adults in the United States regularly visit a doctor". This conclusion was reached by a college student after she had questioned 520 randomly selected members of her college. What is wrong with her survey?
A. Confounding variables
B. Setting may not encourage honest responses
C. Wording of question
D. Selection bias
E. Participation bias
Answer: D
Mathematics
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Evaluate the integral.
A. 7 csch x2 + C
B. 
+ C
C. - 
sech x2 + C
D. 
sech x2 + C
Mathematics
Find the average rate of change of the function over the given interval. g(t) = -3t2 - t, [5, 6]
A. -34
B. 
C. - 
D. -2
Mathematics
Solve the formula for the indicated variable.P - 
= 
+ 1 for P
A. P = 
B. P = 
C. P = 
D. P = 
Mathematics
If possible, factor the polynomial completely. If a polynomial cannot be factored, state that it is prime.x2 + 9x - 36
A. Prime B. (x + 12)(x - 3) C. (x - 12)(x + 3) D. (x - 12)(x + 1)
Mathematics