On the length of the longest head run

We evaluate the accuracy of approximation to the distribution of the length of the longest head run in a Markov chain with a discrete state space. An estimate of the accuracy of approximation in terms of the total variation distance is established for the first time. Statistics and Probability Letters No: STAPRO-D-16-01227R1 Title: On the length of the longest head run Response to the reviewer comments 1. I’ve replaced "length of the longest head run" with "longest run" as suggested by the reviewer. 2. I’ve added "{\xi_{k}=1} represents failure of the kth component" as suggested by the reviewer. 3. The text on page 2 states “N_n(k) of head runs with lengths ≥k”. 4. Statistics & Probability Letters is among journals cited in the manuscript. 20.06.2017 Detailed Response to Reviewers