Which of the following is a valid probability distribution for a sample space S = {a, b, c, d}?
A. Pr(a) = -0.2, Pr(b) = 0.5, Pr(c) = 0.4, Pr(d) = 0.3
B. Pr(a) = 0.5, Pr(b) = 0.2, Pr(c) = 0.1, Pr(d) = 0.3
C. Pr(a) = 0.3, Pr(b) = 0.1, Pr(c) = 0.2, Pr(d) = 0.5
D. Pr(a) = 0.6, Pr(b) = 0, Pr(c) = 0.3, Pr(d) = 0.1
E. none of these
Answer: D
Mathematics
You might also like to view...
Find the area of the shaded region.
A. 18 B. 27 C. 36 D. 45
Mathematics
For the given functions f and g, find the requested composite function.f(x) = 
, g(x) = 
; Find the function f ? g.
A. 
B. 
C. 
D. 
Mathematics
Express the sum using summation notation.
+ 
+ 
+ . . . + 
A. 
B. 
C. 
D. 
Mathematics
Simplify the series of additions and subtractions.-8 + 2 + 6
A. -16 B. -4 C. -12 D. 0
Mathematics