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Mathematics, 22.01.2021 23:00 jyx
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A national survey is taken to determine the number of television sets per household. The following data
were recorded by researchers:
• 5% of households own no television sets
• 30% of households own 1 television set
• 40% of households own 2 television sets
• 20% of households own 3 television sets
• 5% of households own 4 television sets
What is the expected number of television sets to be found in a randomly selected sample of 100
households?
810
40
190
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Answers: 2
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