Answer:
No, it is incorrect. The line should be solid, not dotted, because it's a ≤ sign, not a < sign.
Answer: 
Step-by-step explanation:
Total horses = 6
Number of ways to choose top 3 finishers in order = 3! = 6
Number ways to select 3 horses out of 8 in order =
[By permutations]

Now, the probability that the gambler will win his bet =


Hence, the required probability = 
$287-80 for installation leaves $207 for flooring cost
207/60 = $3.44/square foot
9 - (-3)^2 / 4(7) -9
9 - (9)/ 28 - 9
0/21
0/21 = 0
hope this helps