As per the combination method, there are 42504 different campout crews are possible.
Combination method:
In math, combination method means a mathematical technique that determines the number of possible arrangements in a collection of items where the order of the selection does not matter.
Given,
Scout troop 456 has 24 members. the scoutmaster appoints a 5-member campout crew composed of a leader, a cook, and a cleanup crew (3 scouts).
Here we need to find the number of different campout crews are possible.
According to the nCr formula, here the value of
n = 24
And the value of r = 5
Then the number of possible combinations are calculated as,
=> ²⁴C₅ = 24!/5!(24 - 5)!
=> ²⁴C₅ = 24!/5!19!
=> ²⁴C₅ = 42504
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