I have been in Miami for 10 days; therefore, I can't think at the moment.

Two balance coins are flipped. What are the expect value and variance of the number of heads observed?

Thanks for the help.

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- Mar 15th 2011, 09:28 AMdwsmithTwo balanced fair coins
I have been in Miami for 10 days; therefore, I can't think at the moment.

Two balance coins are flipped. What are the expect value and variance of the number of heads observed?

Thanks for the help. - Mar 15th 2011, 09:38 AMPlato
- Mar 15th 2011, 09:40 AMdwsmith