dbyram3913
dbyram3913
22.06.2019 • 
Mathematics

Twenty percent of all telephones of a certain type are submitted for service while under warranty. of these, 70% can be repaired, whereas the other 30% must be replaced with new units. if a company purchases ten of these telephones, what is the probability that exactly two will end up being replaced under warranty? (round your answer to three decimal places.)

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