An epidemiologist is worried about the prevalence of the flu in East Vancouver and the potential shortage of vaccines for the area. She will need to provide a recommendation for how to allocate the vaccines appropriately across the city. She takes a simple random sample of 334 people living in East Vancouver and finds that 31 have recently had the flu. Suppose that the epidemiologist wants to re-estimate the population proportion and wishes for her 95% confidence interval to have a margin of error no larger than 0.04. How large a sample should she take to achieve this? Sample size =
An epidemiologist is worried about the prevalence of the flu in East Vancouver and the potential shortage of vaccines for the area. She will need to provide a recommendation for how to allocate the vaccines appropriately across the city. She takes a simple random sample of 334 people living in East Vancouver and finds that 31 have recently had the flu. Suppose that the epidemiologist wants to re-estimate the population proportion and wishes for her 95% confidence interval to have a margin of error no larger than 0.04. How large a sample should she take to achieve this? Sample size =
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
Related questions
Question
![An epidemiologist is worried about the prevalence of the
flu in East Vancouver and the potential shortage of
vaccines for the area. She will need to provide a
recommendation for how to allocate the vaccines
appropriately across the city. She takes a simple random
sample of 334 people living in East Vancouver and finds
that 31 have recently had the flu.
Suppose that the epidemiologist wants to re-estimate
the population proportion and wishes for her 95%
confidence interval to have a margin of error no larger
than 0.04. How large a sample should she take to
achieve this?
Sample size =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F847c3469-0372-43e2-9bfd-e541642cffc1%2F312d033e-e13d-41dd-b7ef-b40a75031edd%2Fz37pzx_processed.jpeg&w=3840&q=75)
Transcribed Image Text:An epidemiologist is worried about the prevalence of the
flu in East Vancouver and the potential shortage of
vaccines for the area. She will need to provide a
recommendation for how to allocate the vaccines
appropriately across the city. She takes a simple random
sample of 334 people living in East Vancouver and finds
that 31 have recently had the flu.
Suppose that the epidemiologist wants to re-estimate
the population proportion and wishes for her 95%
confidence interval to have a margin of error no larger
than 0.04. How large a sample should she take to
achieve this?
Sample size =
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