How Do You Calculate The Possible Combinations

Combinations and Permutations Calculator - Math is Fun

https://www.mathsisfun.com/combinatorics/combinations-permutations-calculator.html

The "has" rule which says that certain items must be included (for the entry to be included). Example: has 2,a,b,c means that an entry must have at least two of the letters a, b and c. The "no" rule which means that some items from the list must not occur together.

Using Combinations to Calculate Probabilities - Statistics By Jim

https://statisticsbyjim.com/probability/combinations-probabilities/

7.5: Combinations WITH Repetitions - Mathematics …

https://math.libretexts.org/Courses/Monroe_Community_College/MTH_220_Discrete_Math/7%3A_Combinatorics/7.5%3A_Combinations_WITH_Repetitions

Theorem 7.5. 1. If we choose a set of r items from n types of items, where repetition is allowed and the number items we are choosing from is essentially unlimited, the number of selections possible: (7.5.1) ( n + r − 1 r).

combinatorics - How to calculate unique combinations

https://math.stackexchange.com/questions/2805876/how-to-calculate-unique-combinations

How to calculate unique combinations. Let's suppose that we have three variables: x y z ( n = 3). We need to calculate how many unique combinations we can make. So in this case, you can simply get the answer without using any formulas: x y, x z, y z, x y z. So there are 4 unique combinations.

How do you figure out the number of combinations in 4 …

https://socratic.org/questions/how-do-you-figure-out-the-number-of-combinations-in-4-digit-numbers

COMBIN function - Microsoft Support

https://support.microsoft.com/en-us/office/combin-function-12a3f276-0a21-423a-8de6-06990aaf638a

A combination is any set or subset of items, regardless of their internal order. Combinations are distinct from permutations, for which the internal order is significant. The number of combinations is as follows, where number = n and number_chosen = k:

Solved How do you calculate the number of …

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How do you calculate the number of combinations for a given total number of objects (n) and a number of objects chosen at one time (x)? ... You have two possible outcomes, and outcome A has a probability of 30%. What is the probability of outcome B, and why? A). Outcome B has a probability of 30% because the probabilities must be even. B ...