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+/- is standard deviation. Just one std dev. You should be within that range about 68% of the time.
95% is two std dev.
6.6% was for 45 points lower than expected for 52 boards. I probably should have made the calculation for partnership on 26 boards. Should be close to the same number.
Holding no cards How do you do calculation
#21
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Posted 2013-December-14, 09:59
#22
- Group: Advanced Members
- Posts: 1,316
- Joined: 2011-March-01
- Gender:Male
- Interests:student of the game
Posted 2013-December-14, 14:34
Forgot that I had the distribution for points for a partnership.
The probability of the partnership having 45 points less than expected
was much less than I thought.
20 +/- 4.77 per board.
+/- 24.329 for 26 boards.
1.85 std dev for 45 points less than expected.
1.85 std dev is ~ 3%
The probability of both partners holding 'bad' cards was less than I expected.
The probability of the partnership having 45 points less than expected
was much less than I thought.
20 +/- 4.77 per board.
+/- 24.329 for 26 boards.
1.85 std dev for 45 points less than expected.
1.85 std dev is ~ 3%
The probability of both partners holding 'bad' cards was less than I expected.