Solve the problem.Suppose that you roll a pair of honest dice. If you roll a total of 6, you win $18; if you roll a total of 11, you win $72; if you roll any other total, you lose $9. Let X denote the payoff in a single play of this game. Find the expected value of a play of this game. Round your answer to the nearest penny.
A. $0.75
B. $-0.75
C. $-0.50
D. $-1.00
E. $0
Answer: B
Mathematics
You might also like to view...
Solve the problem.The cross section of a hill can be approximated by y = 0.8x - 0.00008x3 from 
to 
The top of the hill is level. How high is the hill?
A. 
m
B. 
m
C. 
m
D. 
m
Mathematics
Find the circumference of the circle whose radius or diameter is given. Use 
or 
as indicated. d = 16 in.. Use ? ? 3.14.
A. C ? 100.48 in. B. C ? 50.24 in. C. C ? 25.12 in. D. C ? 803.84 in.
Mathematics
Solve.Find the sum of 669 and 5333.
A. 6102 B. 6003 C. 6002 D. 5992
Mathematics
Write the inequality in interval notation.x > -2
A. (-?, -2) B. (-?, -2] C. (-2, ?) D. [-2, ?)
Mathematics