Find the standard deviation of the probability density function to the nearest hundredth.f(x) = 4x-5; [1, ?]
A. 0.50
B. 0.44
C. 0.57
D. 0.47
Answer: D
Mathematics
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Plot and label the given points.(1, 4), (-6, 2)
What will be an ideal response?
Mathematics
Write the shaded area in the figure as a mixed number and as an improper fraction.
A. 2
; 
B. 1
; 
C. 5
; 
D. 1
; 
Mathematics
Translate the sentence into an equation, then solve.A number x increased by 
is equal to 7.
A. x + 
= 7, x = 7
B. x + 7 = 
, x = - 6
C. x + 
= 7, x = 6
D. 
+ x = 7, x = 2
Mathematics
Graph the function.f(x) = 2(x + 2)
A. 
B. 
C. 
D. 
Mathematics