Show that the average time till the first head is observed is y₁ = p-¹, where p is the probability of getting a head each time the coin is tossed. Then find a closed form explicit solution to Yn, the average time till n consecutive heads are observed for the first time.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.2: Arithmetic Sequences
Problem 67E
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Show that the average time till the first head is observed is y₁= p-¹, where p is the
probability of getting a head each time the coin is tossed. Then find a closed form explicit
solution to yn, the average time till n consecutive heads are observed for the first time.
Transcribed Image Text:Show that the average time till the first head is observed is y₁= p-¹, where p is the probability of getting a head each time the coin is tossed. Then find a closed form explicit solution to yn, the average time till n consecutive heads are observed for the first time.
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