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photoshop1234 [79]
3 years ago
5

In how many ways can a quality-control engineer select a sample of3 transistors for testing frm a batch of 100 transistors?

Mathematics
1 answer:
Advocard [28]3 years ago
6 0

Answer:

161700 ways.

Step-by-step explanation:

The order in which the transistors are chosen is not important. This means that we use the combinations formula to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

In this question:

3 transistors from a set of 100. So

C_{100,3} = \frac{100!}{3!(100-3)!} = 161700

So 161700 ways.

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