In order to plan an effective intervention effort for HIV transmission in Washoe County, scientists are interested in identifying the current prevalence of injection drug users (IDU) in Washoe County. The Behavioral Risk Factor Surveillance System (BRFSS) found that national prevalence of IDU is 3%. With a sample size of 300, what is the probability that 8 or less individuals are IDU in Washoe County? With a sample size of 300, what is the probability that 10 or less individuals are IDU in Washoe County? With a sample size of 300, what is the probability that 8 to 10 individuals are IDU in Washoe County?

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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In order to plan an effective intervention effort for HIV transmission in Washoe County, scientists are interested in identifying the current prevalence of injection drug users (IDU) in Washoe County. The Behavioral Risk Factor Surveillance System (BRFSS) found that national prevalence of IDU is 3%.

With a sample size of 300, what is the probability that 8 or less individuals are IDU in Washoe County?

With a sample size of 300, what is the probability that 10 or less individuals are IDU in Washoe County?

With a sample size of 300, what is the probability that 8 to 10 individuals are IDU in Washoe County?

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