Q. 40 Let the random variable X represent the number of times a fair coin needs to be tossed till two consecutive heads appear for the first time. The expectation of X is_______.
Answer: (1.5)
Explanation:
Q. 40 Let the random variable X represent the number of times a fair coin needs to be tossed till two consecutive heads appear for the first time. The expectation of X is_______.
Answer: (1.5)
Explanation:
