Suppose that we want to study the preval virus among Canadian personal computers. (a) Without any prior information on the virus, what sample size would be require to estimate p, the population proportion of Canadian personal computers infected with the virus, with 94% confidence and a 0.06 margin of error? (b) Regardless of our result in (a), we manage to examine a random sample of 350 Canadian personal computers, and find that 18 are infected with the virus. Determine the 80% confidence interval for p. Give your solution in the form of an interval [L1, L2], rounding to 4 decimal positions.
Suppose that we want to study the preval virus among Canadian personal computers. (a) Without any prior information on the virus, what sample size would be require to estimate p, the population proportion of Canadian personal computers infected with the virus, with 94% confidence and a 0.06 margin of error? (b) Regardless of our result in (a), we manage to examine a random sample of 350 Canadian personal computers, and find that 18 are infected with the virus. Determine the 80% confidence interval for p. Give your solution in the form of an interval [L1, L2], rounding to 4 decimal positions.
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
Problem 8CR
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