Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75
B. $2.00
C. -$3.00
D. $3.00
Answer: A
Mathematics
You might also like to view...
Factor using the ac-method.35 - 12x + x2
A. (x + 5)(x - 7) B. (x - 5)(x + 7) C. (x + 5)(x + 7) D. (x - 5)(x - 7)
Mathematics
Divide.
A. 0.24 B. -0.38 C. 0.38 D. -0.24
Mathematics
Perform the indicated division or state that the expression is undefined.-78 รท 26
A. -3 B. 3 C. 13 D. -13
Mathematics
Write the fraction.At Smith's Apple Orchard one day, 57 people were picking apples, 19 people were picking pumpkins, and 24 people were picking raspberries. What fractional part of the people were picking pumpkins?
A.
B.
C.
D.
Mathematics