Question

A shipment to a warehouse consists of 3,000 MP3 players. The manager chooses a random sample of 50 MP3 players and finds 7 that are defective. How many MP3 players in the shipment are likely to be defective?

Answer 1

`\Large \boxed{\sf 420}`

Explanation:

7 out of 50 are likely to be defective

`\displaystyle (7)/(50)`

Multiply by total no. of MP3 players

`\displaystyle (7)/(50)* 3000=420`

Answer 2

420 MP3 players are likely to be defected.

Explanation:

First you would want to do 3000/50 for how any groups of 50 & your answer would be 60

Second you would do 60 times 7 to find the number of defective MP3 players