FoundationMultiple choice

A desk can hold positions in any of nn instruments and takes kk identical lots, with any number allowed in each instrument. How many allocations are there?

  1. A(n+k−1n)\binom{n+k-1}{n}, one bar per instrument
  2. B(n+k−1k)\binom{n+k-1}{k}
  3. C(nk)\binom{n}{k}
  4. Dnkn^k

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A desk can hold positions in any of n instruments and takes k identical lots… · QuantMax