Question: Unit 4 4. The electronics store where you work sells MP3 players with scroll wheels that fail in 1.8% of the units. You just received

Unit 4

4. The electronics store where you work sells MP3 players with scroll wheels that fail in 1.8% of the units. You just received a shipment of 50 players. Type of Distribution: [1] (a) What is the probability that at most three of the units will be defective? [3] (b) What is the most likely number of returns you should expect? Should you be surprised if one unit is found to be defective? [2]

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