Mathematics, 14.12.2020 04:40, bray40
3. 30% of households in a large population have a total annual income of $80,000. A simple random sample of 4 of these households is selected. What is the probability that 2 or more of the households in the survey have an annual income of $70,000? (Assume household incomes are independent)
A) 0.3456
B) 0.3483
C) 0.5000
D) 0.5248
E) 0.0837
Answers: 1
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3. 30% of households in a large population have a total annual income of $80,000. A simple random sa...
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