Find the expected value for the random variable x having this probability function.
A. 14
B. 14.4
C. 15.8
D. 17.2
Answer: B
Mathematics
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Solve the problem.Assume that you have a car worth $6000 and you wish to insure it for its full replacement value if it is stolen. If there is a 2% chance that the car will be stolen, what would a fair premium price be?
A. $126.45 B. $134.77 C. $107.41 D. $122.45
Mathematics
Solve the system of equations using Cramer's Rule, if applicable.
A. {(x, y)| 5x - 3y = 6}
B. ?
C. 
D. (3, 4)
Mathematics
Graph the piecewise linear function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Solve the logarithmic equation.log (3 + x) - log (x - 4) = log 2
A. 11
B. - 11
C. 
D. ?
Mathematics