Question

Basic PIE question appears to be wrong?

score 68 · Answer 1 · 2018-05-29 23:45:01

68

Views

Basic PIE question appears to be wrong?

Published on 29 May 2018 - 23:45

score 44 · Answer 2 · 2018-05-30 22:00:55

44

Views

how would prove that $\prod_{k=1}^n 1 - 1_{A_k} = \sum_{I \subset \{1,2,...,n\} }(-1)^{card(I)}1_{A_I}$

Published on 30 May 2018 - 22:00

score 487 · Answer 3 · 2018-05-31 16:34:20

487

Views

seating married couples around a circular table

Published on 31 May 2018 - 16:34

score 237 · Answer 4 · 2018-06-04 04:11:38

237

Views

counting non-negative integers <100000 (studying for intro discrete math exam)

Published on 04 Jun 2018 - 4:11

score 113 · Answer 5 · 2018-06-05 12:48:31

113

Views

Allocation of seats to the student(P&C-Probability)

Published on 05 Jun 2018 - 12:48

score 873 · Answer 6 · 2018-06-08 04:50:05

873

Views

What is the probability that at least one pottery project and at least one mixed media project will be shown?

Published on 08 Jun 2018 - 4:50

score 319 · Answer 7 · 2018-06-12 10:58:43

319

Views

How many ways are there to choose strings of length $3$ from $S=\{1,2,3,4\}$ for $3$ people if each each digit from $S$ has to appear at least once?

Published on 12 Jun 2018 - 10:58

score 268 · Answer 8 · 2018-06-12 13:09:52

268

Views

In how many ways can string $123456$ be rearranged if at least one character needs to move more than one place from its original position?

Published on 12 Jun 2018 - 13:09

score 1.3k · Answer 9 · 2018-06-13 21:17:44

1.3k

Views

Inclusion-exclusion principle for sets larger than 3

Published on 13 Jun 2018 - 21:17

score 90 · Answer 10 · 2018-06-15 09:48:06

90

Views

How to find the number of solutions to $x_1+x_2+x_3+x_4+y_1+y_2=6$ if $0\le x_i \le 2$ and $y_i$ is divisible by $3$?

Published on 15 Jun 2018 - 9:48

score 344 · Answer 11 · 2026-03-22 10:18:59

344

Views

Bitstrings and set of solutions

Published on 22 Mar 2026 - 10:18

score 208 · Answer 12 · 2018-06-16 10:01:05

208

Views

Probability that all three shirts were worn

Published on 16 Jun 2018 - 10:01

score 57 · Answer 13 · 2018-06-26 01:26:59

57

Views

Fast way to count how many numbers less than a given one are not divisible by any prime from a given set

Published on 26 Jun 2018 - 1:26

score 154 · Answer 14 · 2018-06-27 12:28:48

154

Views

How many solutions are to $x_1+x_2+x_3+x_4+x_5+x_6=30$ if $x_1=6$ then $x_2\neq 4$, $x_3=6$ then $x_4\neq 4$, $x_5=6$ then $x_6\neq 4$?

Published on 27 Jun 2018 - 12:28

score 1.8k · Answer 15 · 2018-06-27 13:15:25

1.8k

Views

Which jigsaw pieces fit to make a create a square?

Published on 27 Jun 2018 - 13:15

List Question

Basic PIE question appears to be wrong?

how would prove that $\prod_{k=1}^n 1 - 1_{A_k} = \sum_{I \subset \{1,2,...,n\} }(-1)^{card(I)}1_{A_I}$

seating married couples around a circular table

counting non-negative integers <100000 (studying for intro discrete math exam)

Allocation of seats to the student(P&C-Probability)

What is the probability that at least one pottery project and at least one mixed media project will be shown?

How many ways are there to choose strings of length $3$ from $S=\{1,2,3,4\}$ for $3$ people if each each digit from $S$ has to appear at least once?

In how many ways can string $123456$ be rearranged if at least one character needs to move more than one place from its original position?

Inclusion-exclusion principle for sets larger than 3

How to find the number of solutions to $x_1+x_2+x_3+x_4+y_1+y_2=6$ if $0\le x_i \le 2$ and $y_i$ is divisible by $3$?

Bitstrings and set of solutions

Probability that all three shirts were worn

Fast way to count how many numbers less than a given one are not divisible by any prime from a given set

How many solutions are to $x_1+x_2+x_3+x_4+x_5+x_6=30$ if $x_1=6$ then $x_2\neq 4$, $x_3=6$ then $x_4\neq 4$, $x_5=6$ then $x_6\neq 4$?

Which jigsaw pieces fit to make a create a square?

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