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...
Use the percent formula, A = PB: A is P percent of B, to solve.22 is 1% of what number?
A. 220 B. 22,000 C. 22 D. 2200
Mathematics
Find the requested composition of functions.Given f(x) = and g(x) = 9x + 4, find (g ? f)(x).
A. 9x + 32
B. x + 8
C. x
D. x -
Mathematics
Graph the inequality.y > -x2 - 6x - 5
A.
B.
C.
D.
Mathematics
Is the following statement true or false?20 ? 5
A. True B. False
Mathematics