Mathematics, 18.01.2021 14:00 OinkFred
Suppose data made available through a health system tracker showed health expenditures were $10,348 per person in the United States. Use $10,348 as the population mean and suppose a survey research firm will take a sample of 100 people to investigate the nature of their health expenditures. Assume the population standard deviation is $2,500.
Required:
a. What is the probability the sample mean will be within ±$100 of the population mean?
b. What is the probability the sample mean will be greater than $12,600?
Answers: 2
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Suppose data made available through a health system tracker showed health expenditures were $10,348...
Mathematics, 18.02.2020 03:29