FOSHAN NANHAI GRAND LIGHTING CO. LTD makes lanterns that have a probability of 5% being defective. If the quality officers test random samples of 50 lanterns from a certain production. What is the probability that exactly 3 of these lanterns are defective?. [Select] What is the probability that less than 2 of these lanterns are defective? [Select] What is the expected number of defective lanterns from the sample? [Select]

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