Published by:
CGP EDU Academic Team
Published on: August 14, 2026
An unbiased coin is tossed 5 times. Suppose that a variable X is assigned the value of 
when 
consecutive heads are obtained for 
otherwise X takes the value 
. Then the expected value of 
, is :
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
JEE Main 2020
no. of times head occur consecutively.
Now expectation
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