how many permutation can be formed by sampling 4 things from 7 different things without replacement...

Question

Question

how many permutation can be formed by sampling 4 things from 7 different things without replacement ?

math Statistics-And-Probability

Answer 1

Answer #1

Number of permutations of 4 items from 7 items is given by:

So,

Answer is:

840

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Answer 2

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