Find the mean and standard deviation of the specified probability density function.f(x) = 4 for [2.25, 2.50]
A. ? = 2.500, ? = 0.069
B. ? = 2.500, ? = 0.070
C. ? = 2.375, ? = 0.072
D. ? = 2.375, ? = 0.144
Answer: C
Mathematics
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If a = 470 and í = 35, what is c?
a. 819.4
b. 573.8
c. 470.0
d. 613.9
e. 735.9
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Solve.
= 
A. 4
B. 14
C. 
D. 3
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Find the midpoint of the segment with the given endpoints.(1, 3) and (7, 2)
A. 
B. 
C. 
D. 
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Rationalize the denominator. If any variables are present, assume that they represent nonnegative numbers, and assume that the denominator is not zero.
A. 
(
+ 1)
B. 
(
- 1)
C. 
(
+ 1)
D. 
(
+ 1)
Mathematics