Optiver–styleAnalystQuantitative AnalystQuestion #81

In a sequence of fair coin tosses with each outcome being either Heads (H) or Tails (T), what is the probability that the sequence HHH appears before HTH?

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More Optiver–Style Analyst Questions

1. What is 73 × 87? Provide your answer without using a calculator and explain your reasoning. 2. What is the probability of drawing exactly two aces from a shuffled deck of cards?How many nodes are there in a recombining binomial tree with n steps? How many paths lead to a particular node?

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