Evaluate by first writing the statement in arithmetic form.Subtract 17.2 from 31.37.
A. 14.87
B. 14.17
C. -14.17
D. 14.09
Answer: B
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Solve the problem.A game is played using one die. If the die is rolled and shows a 6, the player wins 
. If the die shows any number other than 6, the player wins nothing. If there is a charge of $1 to play the game, what is the game's expected value?
A. $7.00 B. -$0.33 C. -$1.00 D. $0.33
Solve the problem.The population of a small town in 1988 was 12,000 people. Due to decline in industrial growth the population has since been decreasing at a rate of 3% every year. What was the population of this town in 1998?
A. 7978 people B. 7185 people C. 9805 people D. 8849 people
Solve the problem.A tank contains 1
gallons of water. Its capacity is 
How much more water is needed to fill it?
A. 
gal
B. 
gal
C. 4
gal
D. 6
gal
Provide an appropriate response.The probability distribution for the random variable X is: 
What is the expected value of X?
A. 0.62 B. 0.26 C. 0.22 D. 0.50