Provide an appropriate response.The probability distribution for the random variable X is: 
What is the expected value of X?
A. 0.62
B. 0.26
C. 0.22
D. 0.50
Answer: A
Mathematics
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Write the equation of the axis of symmetry.f(x) = 2x2 - 20x + 49
A. x = 5 B. x = -5 C. x = 1 D. x = -1
Mathematics
Find the mean of the set of data. Round to the nearest tenth.229, 221, 213, 213, 213, 213, 221, 215, 215, 215, 221, 221
A. 217.7 B. 217.5 C. 218.4 D. 217.2
Mathematics
Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 41
B. 
C. 5
D. 
Mathematics
Find the integral.
A. 
+ C
B. 
(6x - 5)3/2 + 
(6x - 5)1/2 + C
C. 
+ C
D. 
(6x - 5)3/2 + 
(6x - 5)1/2 + C
Mathematics