Published by:
CGP EDU Academic Team
Published on: August 13, 2026
In a random experiment of throwing 5 coins, the number of heads is defined as a random variable. The mean of the random variable is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Total number of sample space 
Total number of trials 
Possible number of cases of heads occurs of random variable 
.
Use binomial distribution to get the probability 
corresponding to each random variable.
So,
Therefore, Option is correct.
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