221k views
1 vote
Likely to be defective

1 Answer

3 votes

This is a problem on experimental probability.

The probability from the sample of selecting a faulty MP3 is


Pr(\text{faulty Mp3)=}(7)/(50)

We can also use this as a guess to how many are likely to be defective from the whole sample.

It will also be ;


\begin{gathered} (7)/(50)*2000 \\ =280\text{ MP3s} \end{gathered}

Therefore, 280 MP3s are likely to be defective in the shipment.

User NetanelRabinowitz
by
4.9k points