What are the differences between **having two kids and counting x=the number of girls** and **having kids until you get a girl**? What is the random variable x in the second case? What are the means [expected values] of the random variable x for each of these scenarios? What is the standard deviation of x in the first case? How could you simulate each of these scenarios?
How are these distributions similar? How are they different?
Tuesday, December 13, 2005
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