Multiple Choice
Suppose we toss a fair coin repeatedly. We continue to do this until a tail is observed. Let X be the number of tosses required. Then X has:
A) a binomial distribution, with mean 0.5.
B) a binomial distribution, with mean 2.
C) a binomial distribution, with variance 0.707.
D) None of the answer options is correct.
Correct Answer:
Verified
Correct Answer:
Verified
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