A study found that 55% of British firms experienced a cyberattack in the past year (bbc.com, April

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A study found that 55% of British firms experienced a cyberattack in the past year (bbc.com, April 23, 2019). Suppose that the study was based on 600 British firms.

a. At 95% confidence, what is the margin of error?

b. Construct the 95% confidence interval for the population proportion of British firms that experienced a cyberattack in the past year.

c. At 95% confidence, what can be done to reduce the margin of error?

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Business Statistics Communicating With Numbers

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Authors: Sanjiv Jaggia, Alison Kelly

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Question Posted: May 04, 2023 07:57 AM

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A study found that 55% of British firms experienced a cyberattack in the past year (bbc.com, April

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a b The 95 confidence interval is 055 00...View the full answer

Business Statistics Communicating With Numbers

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