Question

a shipment to a warehouse consists of 4,000 MP3 players. The manager chooses a random sample of 50 MP3 players and finds 4 that are defective. How many MP3 players in the shipment are likely to be defective?

Answer 1

320 MP3 players

Explanation:

4/50 MP3 players are defective

Multiply by 80 to get the whole shipment

4/50 x 80 = 320/4000

Answer 2

320

Explanation: