Editing Item drops
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Latest revision | Your text | ||
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* n_C_k: the binomial coefficient, which is defined as '''n!/(k!(n-k)!)''' with "!" referring to the factorial | * n_C_k: the binomial coefficient, which is defined as '''n!/(k!(n-k)!)''' with "!" referring to the factorial | ||
The process | The process for evaluating each <code>P(k)</code> value is the same, it is shown here for <code>P(2)</code>: | ||
* n = '''100''' | * n = '''100''' | ||
* k = '''2''' | * k = '''2''' | ||
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* n_C_k = 100!/(2!(100-2)!) = '''4950''' | * n_C_k = 100!/(2!(100-2)!) = '''4950''' | ||
<code>P(2) = 4950 * (1/200)^2 * (1-1/200)^(100-2) = | <code>P(2) = 4950 * (1/200)^2 * (1-1/200)^(100-2) = 1/13.21</code> | ||
Repeating the process for <code>P(0)</code> and <code>P(1)</code> we arrive at: | Repeating the process for <code>P(0)</code> and <code>P(1)</code> we arrive at: |