Provide an appropriate response.A professor claims that there is only a 15% chance of earning an "A" in her class. At the end of the semester, 40 of the 278 students earn "A's." Using n = 278 and p = 0.15, approximate P(X = 40) by using the normal approximation.
Fill in the blank(s) with the appropriate word(s).
0.065
Mathematics
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Use a calculator to approximate to three decimal places.
A. 11.805 B. 11 C. 11.777 D. 11.790
Mathematics
Find A, B, and C for the partial fraction decomposition.
= 
+ 
+ 
A. A = - 
, B = 
, C = 
B. A = 
, B = - 
, C = 
C. A = - 
, B = - 
, C = 
D. A = 
, B = 
, C = 
Mathematics
Find the equation of the hyperbola with vertices 
, 
and focus 
style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_e7467851a43a42a4b72986980" />.
?
A. 
B. 
C. 
D. 
E. none of these
Mathematics
For the pair of functions, find the indicated domain.f(x) = 2x - 5, g(x) = 
Find the domain of f/g.
A. (-4, 4) B. (-4, ?) C. [4, ?) D. [0, ?)
Mathematics