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If a fair coin is flipped 5 times, what is the probability of getting exactly 3 heads

score 5.2k · Answer 1 · 2019-04-12 10:09:24

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If a fair coin is flipped 5 times, what is the probability of getting exactly 3 heads

Published on 12 Apr 2019 - 10:09

score 115 · Answer 2 · 2026-03-25 12:46:13

115

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Distribution of the knapsack problem

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score 24 · Answer 3 · 2026-03-25 12:47:06

24

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Distribution in the combinatorial optimization

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score 45 · Answer 4 · 2019-04-13 12:45:57

45

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Published on 13 Apr 2019 - 12:45

score 140 · Answer 5 · 2019-04-13 15:16:57

140

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If $S=\{1,2,\ldots,n\}$, in how many ways can we choose two subsets $A$ and $B$ of $S$ so that $B \neq \emptyset$ and $B \subseteq A \subseteq S$?

Published on 13 Apr 2019 - 15:16

score 66 · Answer 6 · 2026-03-26 12:53:29

66

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How do use inclusion-exclusion to find the probability of encountering all n outcomes in m tries

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score 24 · Answer 7 · 2026-03-26 23:09:41

24

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score 40 · Answer 8 · 2026-03-26 16:56:38

How to show that intermediate values of $\binom{n}{\lfloor n/2 \rfloor }$ are all integers that does not exceed $\binom{n}{\lfloor n/2 \rfloor }$

score 3.1k · Answer 9 · 2019-04-14 20:20:34

3.1k

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Number of $7$-digit telephone numbers with non-decreasing digits? strictly increasing digits?

Published on 14 Apr 2019 - 20:20

score 181 · Answer 10 · 2019-04-14 20:46:29

181

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The probability that $3$ organizers win

Published on 14 Apr 2019 - 20:46

score 154 · Answer 11 · 2019-04-15 01:00:47

154

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Number of ways of buying five apples from six types of apples if no more than two of each type are purchased

Published on 15 Apr 2019 - 1:00

score 31 · Answer 12 · 2026-03-28 02:06:40

31

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number of ways to order 5 english and 4 french hits

Published on 28 Mar 2026 - 2:06

score 141 · Answer 13 · 2019-04-15 15:55:43

141

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Questions relating to choosing a j-tuple (j≤n) of positive integers whose sum is at most n.

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score 1.4k · Answer 14 · 2019-04-16 05:53:04

1.4k

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Published on 16 Apr 2019 - 5:53

score 32 · Answer 15 · 2019-04-16 09:14:07

32

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Arranging Letters and Plus Signs

Published on 16 Apr 2019 - 9:14

List Question

If a fair coin is flipped 5 times, what is the probability of getting exactly 3 heads

Distribution of the knapsack problem

Distribution in the combinatorial optimization

A question about contestants linked with combinations

If $S=\{1,2,\ldots,n\}$, in how many ways can we choose two subsets $A$ and $B$ of $S$ so that $B \neq \emptyset$ and $B \subseteq A \subseteq S$?

How do use inclusion-exclusion to find the probability of encountering all n outcomes in m tries

Method of selecting the optimal average combination of highest numbers?

How to show that intermediate values of $\binom{n}{\lfloor n/2 \rfloor }$ are all integers that does not exceed $\binom{n}{\lfloor n/2 \rfloor }$

Number of $7$-digit telephone numbers with non-decreasing digits? strictly increasing digits?

The probability that $3$ organizers win

Number of ways of buying five apples from six types of apples if no more than two of each type are purchased

number of ways to order 5 english and 4 french hits

Questions relating to choosing a j-tuple (j≤n) of positive integers whose sum is at most n.

Choose 2 good batteries out of 8 (4 bad 4 good)

Arranging Letters and Plus Signs

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