Answer:
C) 78
Step-by-step explanation:
its technically 77.5714... but rounds to 78, hope that helps
The answer to this is 20. You can find the length by using the formula l=a/w
If the order doesn't matter, then the probability is 37.5%
If it has to be head head tail, then the probability is 12.5%
If the order doesn't matter, the possible outcomes that have two heads and one tail are HHT, HTH, and THH. Since these all have a probability of 12.5% of occuring, the probability of any of them occuring is 37.5%
If e is between them, then the distances DE and EF add to the total, DF. So the answer is just 27 + 34 which is 61, A
