| bio | website | |
|---|---|---|
| location | ||
| age | ||
| visits | member for | 1 year, 7 months |
| seen | Nov 18 '11 at 22:00 | |
| stats | profile views | 7 |
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Feb 12 |
awarded | Popular Question |
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Feb 4 |
awarded | Notable Question |
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Oct 20 |
awarded | Popular Question |
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Nov 18 |
accepted | A fair coin is tossed $n$ times by two people. What is the probability that they get same number of heads? |
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Nov 18 |
asked | A fair coin is tossed $n$ times by two people. What is the probability that they get same number of heads? |
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Nov 18 |
awarded | Scholar |
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Nov 18 |
comment |
Find E(XY) and covariance Ahh brilliant! I did try to use the sum in calculation, but didn't think that substitution will make it that much easier... Thanks! |
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Nov 18 |
accepted | Find E(XY) and covariance |
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Nov 18 |
awarded | Student |
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Nov 18 |
asked | Find E(XY) and covariance |