Question
A coin is biased so that a head is twicw as likely to occur as a tail. Suppose the coin is tossed three times.
What is the probality of getting at exactly two tails
What is the probality of getting at exactly two tails
Answers
p tails = 1/3
1/3 * 1/3 * 1/3 = 1/27
1/3 * 1/3 * 1/3 = 1/27
what is the disadvanatage of using variance as a measure of dispersion
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