What exactly is "n choose 2" in probability. : r/learnmath - Reddit
Jun 28, 2015 · The notation 4C2 means the same thing as "4 choose 2", which is the number of ways to choose 2 things from 4 things when order doesn't matter. And the word "combination" …
ELI5: what does "n choose k" in math mean? : r/explainlikeimfive
Jan 30, 2024 · As others have said, you have a group of numbers and you can choose a set of numbers. How many different combinations (where order does not matter). The most famous …
Solved What is the maximum standard size overcurrent - Chegg
Question: What is the maximum standard size overcurrent protective device permitted to protect the following THW conductors when they are not part of a branch circuit supplying more than …
[Combinatorics Question] 4 people are to be selected at random
So (4 choose 1)(6 choose 2) is first choosing one of the four couples, and then choosing 2 people from the remaining 6 people. (You probably understood that part, just mentioning it in case). …
[Discrete math] Probability, can someone explain why this is
Nov 16, 2018 · What is the probability that heads occurs exactly twice considering a coin is flipped 4 times. So I'm looking at it like a bit string _ _ _ _ so heads will go there twice so that's why …
Number of bridge hands representing exactly 2 suits? : r/askmath
Jul 17, 2023 · There are 4 choose 2 ways to pick 2 suits from 4. Then this is multiplied by the number of ways to choose x and 13 - x from 13 cards, ranging from 1 to 12, but these are the …
Solved Using the combination formula, calculate C (4,2). (4 - Chegg
Using the combination formula, calculate C(4,2). (4 choose 2) Answer: 6. There’s just one step to solve ...
Solved Select the correct name for each of the following - Chegg
Question: Select the correct name for each of the following compounds from the drop down list. н.с-с-с-с-с_cHa Choose.. octan-6-ol 2-methylbutan-2-amine 7-methyloctan-6-ol 3-methylbutan …
Solved Balanced net ionic equation Choose Choose Choose
Question: Balanced net ionic equation Choose Choose Choose... Choose 1 Choose 4 Choose... 2 8 H+ (aq) MnO4 (aq) C204 (aq) → Mn2+ (aq) + H20 (1) + CO2 (9) Table 2B - Determining …
Solved Rank the following electrophiles from most reactive - Chegg
Question: Rank the following electrophiles from most reactive (1) to least reactive (4) in an SN2 reaction.Group of answer choices1 [ Choose ] 2-Chloro-4-methylpentane …