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.
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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![1.
Suppose that we want to study the prevalence of a particularly successful new computer
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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F37589965-6822-4c51-9fa5-c1e77c2c8460%2F55c69451-fb4a-4eed-8222-137f77e90a47%2Fvuhkra8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1.
Suppose that we want to study the prevalence of a particularly successful new computer
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.
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