Solved: Probability: tossing for a head The expected
Chapter 9, Problem 75(choose chapter or problem)
Probability: tossing for a head The expected (average) number of tosses of a fair coin required to obtain the first head is a _ k = 1 k1 12 2k. Evaluate this series and determine the expected number of tosses. (Hint: Differentiate a geometric series.)
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