?Which of the following is not true about expected values and fair games?
A. ?A fair game is a game when the expected value is equal to 0.
B. ?Expected values of games that are negative, for the player, represent a loss for the player.
C. ?Expected values of games that are positive, for the casino, represent a gain for the player.
D. ?The outcome from playing 5 games does not necessarily reflect the expected value of the game.
E. ?None of the above.
Answer: C
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Perform the computation.-4 - 7
A. -11 B. -3 C. 3 D. 11
Solve.A vendor has learned that, by pricing caramel apples at $1.25, sales will reach 89 caramel apples per day. Raising the price to
will cause the sales to fall to 49 caramel apples per day. Let y be the number of caramel apples the vendor sells at x dollars each. Write a linear equation that relates the number of caramel apples sold per day to the price x.
A. y = -40x - 139
B. y = - 
x + 
C. y = -40x + 139
D. y = 40x + 39
Express the number as an equivalent decimal. Use bar notation for repeating decimals.
A. 
B. 
C. 
D. 
Remove grouping symbols and simplify.8{9y2 + 4[7y2 - (y + z2)]}
A. 100y2 - 4y - 4z2 B. 296y2 - 32y - 32z2 C. 264y2 - 32y D. 296y2 - 8y + 8z2