SOLUTION: A container has 50 electronic components, of which 10 are defective. If 6 components are drawn at random from the container, what is the probability that at least 4 are good?

Question 749680: A container has 50 electronic components, of which 10 are defective.
If 6 components are drawn at random from the container, what is the probability that at least 4 are good?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A container has 50 electronic components, of which 10 are defective.
If 6 components are drawn at random from the container, what is the probability that at least 4 are good?
------
If 4 are good, 2 must be defective.
-----
Binomial with n = 6 and p(defective) = 1/5
----
P(x = 2) = 6C2*(1/5)^2*(4/5)^4 = binompdf(6,1/5,2) = 0.2458
============================
Cheers,
Stan H.
=================
RELATED QUESTIONS
A container has 50 electronic components, of which 10 are defective. If 6 components are (answered by Fombitz)

A container has 50 electronic components, of which 10 are defective. If 8 components are (answered by stanbon)

A container has 50 electronic components, of which 10 are defective. If 8 components are (answered by Fombitz)

A container has 50 electronic components, of which 10 are defective.If 6 components are... (answered by ewatrrr)

A container contains 10 electronic components. 4 of the electronic components are... (answered by ikleyn)

A container consists of twenty used electronic components of which five are defective.... (answered by ikleyn)

a container contains 10 electronic components. 4 of the components are defective. 2... (answered by ikleyn)

There are 1000 components in a box of which 10 are known to be defective. two... (answered by Edwin McCravy)

A box contains 35 components, of which 10 are defective. A set of 6 components are (answered by stanbon)