Chinovac Labs tried a new vaccine on 164 randomly selected individuals. From the experiment, it was determined that 120 of them developed immunity. Calculate a 95% confidence interval for the proportion p of individuals in the population for whom the vaccine would help. What is the lower bound of this interval? Note: Write your answers in decimal form and round it to 4 decimal places.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
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Chinovac Labs tried a new vaccine on 164 randomly
selected individuals. From the experiment, it was
determined that 120 of them developed immunity.
Calculate a 95% confidence interval for the
proportion p of individuals in the population for
whom the vaccine would help. What is the lower
bound of this interval?
Note: Write your answers in decimal form and
round it to 4 decimal places.
Transcribed Image Text:Chinovac Labs tried a new vaccine on 164 randomly selected individuals. From the experiment, it was determined that 120 of them developed immunity. Calculate a 95% confidence interval for the proportion p of individuals in the population for whom the vaccine would help. What is the lower bound of this interval? Note: Write your answers in decimal form and round it to 4 decimal places.
Chinovac Labs tried a new vaccine on 104 randomly
selected individuals. From the experiment, it was
determined that 81 of them developed immunity.
Calculate a 95% confidence interval for the
proportion p of individuals in the population for
whom the vaccine would help. What is the upper
bound of this interval?
Note: Write your answers in decimal form and
round it to 4 decimal places.
Transcribed Image Text:Chinovac Labs tried a new vaccine on 104 randomly selected individuals. From the experiment, it was determined that 81 of them developed immunity. Calculate a 95% confidence interval for the proportion p of individuals in the population for whom the vaccine would help. What is the upper bound of this interval? Note: Write your answers in decimal form and round it to 4 decimal places.
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