shternawolf shternawolf

15-03-2017
Mathematics

contestada

A box contains 12 transistors, 3 of which are defective. If 3 are selected at random, find the probability that None are defective.

Please explain how you get the answer, i know it involves a #C#

Respuesta :

15-03-2017

3 divided by 12 equals 0.25
So we change 0.25 to a fraction which is 1/4
The probability is 1/4

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