Solve the problem.In a survey of 50 hospital patients, 24 said they were satisfied with the nursing care, 17 said they were satisfied with the medical treatment, and 5 said they were satisfied with both. How many patients were satisfied with neither? How many were satisfied with only the medical treatment?
A. 14; 17
B. 19; 12
C. 19; 17
D. 14; 12
Answer: D
Mathematics
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Solve.6x = 2
A. x = 
B. x = 
C. x = 15
D. x = 
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Write the sum in summation notation.
+ 
+ 
+ . . . + 
A. 
B. 
C. 
D. 
Mathematics
The probability density function of X is f (x) = x2 9 over [0, 3] . Compute each of the following.
(a) E ( X ) (b) SD(X )
Mathematics
Solve the following system by any appropriate method. If there is no real number solution, so state.4x2 + y2 = 164x2 - y2 = 16
A. (4, 0), (-4, 0) B. (2, 0), (-2, 0) C. (0, 2), (0, -2) D. (0, 4), (0, -4)
Mathematics