The standard deviation for a random variable with probability density function f and mean ? is defined 
Find the standard deviation for an exponential density function with mean 10.
a. 10
b. 2
c. 5
d. 3.3
e. 2.5
a. 10
Mathematics
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Write in decimal notation.
A. 0.06635 B. 66.35 C. 6.635 D. 0.6635
Mathematics
Draw a sketch to represent each of the following vectors. Refer to the vectors pictured here.
b - c
A. 
B. 
Mathematics
Find the first five terms in the sequence whose nth term is given. 4n + 5
A. 9, 13, 17, 21, 25 B. 9, 14, 19, 24, 29 C. 20, 40, 60, 80, 100 D. 9, 18, 27, 36, 45
Mathematics
Provide an appropriate response.Write the equivalent fraction and decimal for 75%.
A. 7
; 75
B. 
; 0.75
C. 75; 0.075
D. 
; 7.5
Mathematics