Assume that, at a certain college, 33% of all physics majors belong to ethnic minorities. Given a random sample of 10 physics majors, find the probability of the indicated event. Round your answer as appropriate.Exactly 4 do not belong to an ethnic minority.
A. .0547
B. .2564
C. .0467
D. .2253
Answer: A
Mathematics
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Use implicit differentiation to find dy/dx and d2y/dx2.xy + 3 = y, at the point (4, -1)
A. 
= 
; 
= 
B. 
= - 
; 
= 0
C. 
= 3; 
= - 24
D. 
= 
; 
= - 
Mathematics
Evaluate the integral.
A. 
- 
B. 
C. - 
D. 
- 
Mathematics
Solve the polynomial inequality.(x + 5)(x + 4)(x - 2) < 0
A. (-?, -5) ? (-4, 2) B. (-5, -4) ? (2, ?) C. (-?, -4) D. (2, ?)
Mathematics
Write the vector v in the form v1i + v2j, given 
and the direction angle ? of v.
= 14, ? = 270°
A. -14i B. -14i + 14j C. -14j D. -14i - 14j
Mathematics