Published by:
CGP EDU Academic Team
Published on: August 11, 2026
A coin is biased so that the head is 3 times as likely to occur as tail. This coin is tossed until a head or three tails occur. If
denotes the number of tosses of the coin, then the mean of
is
Text Solution
Verified by ExpertsThe correct answer is:
A


1 | 2 | 3 | |
Mean 



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