Combinatorics - math word problems - last pageCombinatorics is a part of mathematics that investigates the questions of existence, creation and enumeration (determining the number) of configurations.
It deals with two basic tasks:
How many ways can we select certain objects
How many ways can we arrange certain objects
Number of problems found: 922
- Probability 37651
What is the probability that in a family with four children, there are: a) at least three girls b) at least one boy, If the probability of a boy is 0.51?
Records indicate 90% error-free. If eight records are randomly selected, what is the probability that at least two records have no errors?
Would you like to compute the count of combinations?