Mathematics, 07.05.2021 16:30, tyrique86
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.
2,910 671 266 4,276 4,770 358 3,545 66 2,682 2,616
Based on this sample, how many of the MP3 players might the clerk predict would be defective?
The manager would expect defective players in the shipment.
Answers: 3
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Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours
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