List questions from inclusion-exclusion

Published on 12 Aug 2015 - 18:20

41

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What is the probability of rolling at least 3 2s OR at least 3 6s in 6 rolls?

Published on 16 Aug 2015 - 12:01

1.5k

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Coupon collector problem with $k$ distinct coupon sets to complete

Published on 24 Feb 2026 - 1:50

745

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Probability problem possibly based on principle of inclusion exclusion

Published on 05 Sep 2015 - 11:51

444

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Is the i-e principle for symmetric difference useful?

Published on 24 Feb 2026 - 3:03

123

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$25$ colored dice

Published on 07 Sep 2015 - 10:01

355

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Calculate how much a password complexity criteria lowers the password space

Published on 09 Sep 2015 - 12:45

115

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Permutation with repetition and condition

Published on 10 Sep 2015 - 8:01

2.4k

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Number of solutions of $x_1+x_2+\dots+x_k=n$ with $x_i\le r$

Published on 27 Mar 2026 - 1:04

66

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Probability - Show inequality $P(A \cap B) \ge P(A) + P(B)-1$

Published on 11 Sep 2015 - 12:23

25

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Counting patients that only received one type of treatment

Published on 12 Sep 2015 - 7:56

485

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Tournament probabilities

Published on 14 Sep 2015 - 4:01

918

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Why would Inclusion-Exclusion be used here?

Published on 15 Sep 2015 - 3:08

1.8k

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Use the inclusion-exclusion principle to determine

Published on 27 Mar 2026 - 2:59

61

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Number of Girls

Published on 18 Sep 2015 - 21:11

List Question

Number of arrangements of A,B,C,D,E,F with conditions.

What is the probability of rolling at least 3 2s OR at least 3 6s in 6 rolls?

Coupon collector problem with $k$ distinct coupon sets to complete

Probability problem possibly based on principle of inclusion exclusion

Is the i-e principle for symmetric difference useful?

$25$ colored dice

Calculate how much a password complexity criteria lowers the password space

Permutation with repetition and condition

Number of solutions of $x_1+x_2+\dots+x_k=n$ with $x_i\le r$

Probability - Show inequality $P(A \cap B) \ge P(A) + P(B)-1$

Counting patients that only received one type of treatment

Tournament probabilities

Why would Inclusion-Exclusion be used here?

Use the inclusion-exclusion principle to determine

Number of Girls

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