sonjaburton sonjaburton

25-07-2021
Mathematics

contestada

box contains 12 transistors, 3 of which are defective. If 3 are selected at random, find the probability of the statements below.

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thechiaratorrente thechiaratorrente

25-07-2021

# of ways to select 3 defective:: 3C3 = 1
----
# of random sets of 3:: 12C3 = (12*11*10)/(1*2*3) = 220
----
P(3 defective) = 1/220

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