Question

1. If you toss a coin three times, what are the odds against getting exactly three heads?

A. 1:8
B. 8:1
C. 1:7
D. 7:1

2. A summer camp has 20 boys and 20 girls. Each day, all camper names are put in a hat, and one name is drawn to receive a prize. What are the odds in favor of boys names being drawn on three out of three nights?
A. 1:1
B. 1:7
C. 1:8
D. 7:1

3. If you toss three coins, what are the odds in favor of getting exactly two tails and one head?
A. 3:8
B. 3:5
C. 5:3
D. 8:3

4. A jar of tickets for a drawing contains 22 winning tickets and 63 non-winning tickets. What are the odds against winning in the drawing?

A. 22:63
B. 63:85
C. 63:22
D. 85:63

Answer 1

1= the coin is independent and has an equal chance of heads and tails (fair coin). The probability of 3 heads is equal to (1/2)^3 or 1/8.

Answer 2

for question one the answer is C and for question three the answer is A

Step-by-step explanation: I took the flvs test a few weeks ago. i dont remember much but im pretty sure this is right. good luck!