In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women?639012645135
Question
In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women?
639012645135
Solution
The problem involves combinations, a concept in combinatorics. Here's how to solve it:
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First, we need to select 5 men out of 7. The number of ways to do this is given by the combination formula "n choose r", which is n! / [r!(n-r)!], where n is the total number of options, r is the number of options to choose, and "!" denotes factorial. So, the number of ways to choose 5 men out of 7 is 7! / [5!(7-5)!] = 21.
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Next, we need to select 2 women out of 3. Using the same formula, the number of ways to do this is 3! / [2!(3-2)!] = 3.
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Since these are independent events, we multiply the number of ways to get the total number of ways to select a group of 5 men and 2 women out of the total. So, the total number of ways is 21 * 3 = 63.
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