SOLUTION: A lot of portable radios contains 15 good radios and 3 defective ones. If two are selected and tested, find the probability that at least one will be defective.
Algebra.Com
Question 328033: A lot of portable radios contains 15 good radios and 3 defective ones. If two are selected and tested, find the probability that at least one will be defective.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Good :
Bad:
Total:
.
.
P(at least one bad)+P(both good)=
P(at least one bad)=1-P(both good)
P(both good)=
P(at least one bad)=
RELATED QUESTIONS
A lot of portable radios contain 15 good radios and 3 defective ones. If two are selected (answered by stanbon)
Suppose a company that makes radios is interested in quality control of their factory. As (answered by stanbon)
Suppose a company that makes radios is interested in quality control of their factory. As (answered by edjones)
In A batch of 8000 clock radios 9% are defective. A sample of 6 clock radios is randomly (answered by stanbon)
In a batch of 8,000 clock radios 4% are defective. A sample of 6 clock radios is randomly (answered by stanbon,edjones)
In a batch of 8000 clock radios 9% are defective. A sample of 10 clock radios is... (answered by stanbon)
In a batch of 8000 clock radios 9% are defective. A sample of 15 clock radios is randomly (answered by stanbon)
6% of all radios manufactured are defective, find the probability of selecting two radios (answered by ikleyn)
A box contains 24 bulbs, 3 of which are defective. If two bulbs are selected and tested,... (answered by Boreal,greenestamps)