X is Binomial (9, 0.5).
Find E ( X ), Var ( X ), and SD( X ) for the given random variable
4.5, 2.25, 1.5
Mathematics
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How many subsets and proper subsets are in the given set?{1, 3, 5, 7, 9, 11}
A. 63, 62 B. 63, 64 C. 64, 63 D. 62, 63
Mathematics
Find the given power. Write answer in rectangular form.
10
A. 
+ 
i
B. - 
+ 
i
C. - 
- 
i
D. 
- 
i
Mathematics
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(x + 13)2
A. x + 169 B. 169x2 + 26x + 169 C. x2 + 169 D. x2 + 26x + 169
Mathematics
Determine the coordinates of the vertex by completing the square.f(x) = -2x2 - 4x - 5
A. (-1, -3) B. (-2, -9) C. (1, -11) D. (2, -21)
Mathematics