The Empirical Rule applies to
A. standard deviations
B. frequency distributions
C. histograms
D. normal curves
Answer: D
Mathematics
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Find an equation for the line tangent to the curve at the point defined by the given value of t.x = 5 sin t, y = 5 cos t, t = 
A. y = x - 5
B. y = - x + 5
C. y = 5
x + 1
D. y = 5x + 5
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Two marbles are drawn without replacement from a box with 3 white, 2 green, 2 red, and 1 blue marble. Find the probability.One marble is green and one marble is red.
A. 
B. 
C. 
D. 
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Solve the problem.From 1992 to 1999, the number of automobile vehicle tags purchased in a certain city can be modeled by 
Find the number of vehicle tags purchased in 1992.
A. 1185 B. 10,850 C. 0 D. 1085
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Determine whether the functions f and g are inverses of each other.f(x) = 
; g(x) = 
+ 8
A. Yes B. No
Mathematics