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neonofarm [45]
3 years ago
11

Someone please help me out please!!!!

Mathematics
1 answer:
Tom [10]3 years ago
4 0

Given:

A committee of 6 members is to be chose from the 100 members of the U.S. senate.

To find:

The number of ways to form a committee.

Solution:

We have,

Total number of members = 100

Number of members needs to selected of committee = 6

Number of ways to select r items from total n items is

^nC_r=\dfrac{n!}{r!(n-r)!}

Number of ways to select 6 members from total 100 members is

^{100}C_6=\dfrac{100!}{6!(100-6)!}

^{100}C_6=\dfrac{100\times 99\times 98\times 97\times 96\times 95\times 94!}{6\times 5\times 4\times 3\times 2\times 1\times 94!}

^{100}C_6=\dfrac{100\times 99\times 98\times 97\times 96\times 95}{6\times 5\times 4\times 3\times 2\times 1}

^{100}C_6=1192052400

Therefore, the total number of ways to form a committee is ^{100}C_6, i.e., equal to 1192052400.

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