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Twenty-three coins are tossed; in

Five coins all balanced the same were tossed 150 times. Note that, while the coins are all balanced the same, they may or may
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2. asked by scott
3. 1,252 views
Twenty-three coins are tossed; in how many ways can you have at least two tails?
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2. asked by marlene
3. 403 views
Consider a collection of biased coins, each showing Heads with probability and Tails with probability , independently of the
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2. asked by sand
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Consider a collection of n biased coins, each showing Heads with probability p and Tails with probability 1-p , independently of
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2. asked by sand
3. 651 views
Consider a collection of n biased coins, each showing Heads with probability p and Tails with probability 1-p , independently of
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2. asked by sand
3. 612 views
A coin bank contains some twenty-cent and fifty-cent coins in the ratio of 4 : 5. When 16 fifty-cent coins were taken out and
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2. asked by Anonymous
3. 280 views
Xuan Yun has a total of 24 coins in her piggy bank. Some of them are twenty-cent coins and the others are fifty-cent coins.
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2. asked by ssssss
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A coin box contained some twenty-cent and fifty-cent coins in the ratio4:3. After 20 twenty-cent coins were taken out to
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2. asked by LARA
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A coin box contained some twenty-cent and fifty-cent coins in the ratio 4 : 3. After 20 twenty-cent coins were taken out to
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2. asked by Tim
3. 1,026 views
If you've ever tossed coins into a fountain and made a wish, you may have wondered what happens to all that money. Since all of
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