A store receives a shipment of 5,000 mp3 players. in a previous shipment of 5,000 mp3 players, 300 were defective. a store clerk generates random numbers to simulate a random sample of this shipment. the clerk lets the numbers 1 through 300 represent defective mp3 players, and the numbers 301 through 5,000 represent working mp3 players. the results are given. 2,286 448 266 4,996 1,475 501 3,879 60 916 453 based on this sample, how many of the mp3 players might the clerk predict would be defective?

Question

Cohen Anderson

Mathematics

7 August, 16:10

A store receives a shipment of 5,000 mp3 players. in a previous shipment of 5,000 mp3 players, 300 were defective. a store clerk generates random numbers to simulate a random sample of this shipment. the clerk lets the numbers 1 through 300 represent defective mp3 players, and the numbers 301 through 5,000 represent working mp3 players. the results are given. 2,286 448 266 4,996 1,475 501 3,879 60 916 453 based on this sample, how many of the mp3 players might the clerk predict would be defective?

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Raul Moses · Answer 1

Numbers less than 300 = 2

Total numbers = 10

Percentage defective = 2/10 x 100 = 20%

Expected defective pieces = 5,000 x 0.2

Expected defective pieces = 1,000