3 years ago

Four of a sample of 150 computers will be selected and tested. How many ways are there to make this selection? Type a

1 answer:

6 0

Answer:

20260275

Step-by-step explanation:

the question is same as selecting 4 things from 150 things

= C(150,4). (nCr formula)

=[150×149×148×147]÷[4×3×2×1]

= 49×75×149×37

= 20260275

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