What does 98% represent in the report O A. a margin of error O B. a parameter O C. a statistic O D. a confidence interval O E. a confidence level

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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A newspaper report conducted a survey of 505 people in the Bay Area and found that 35% of the population believe that a large
earthquake will hit San Francisco by the end of the year. In the accompanying dialogue, the report states, we are 98% confident that the true
proportion of people in the Bay Area who believe that a large earthquake will hit San Francisco by the end of the year lies between 28% and 42%
What does 98% represent in the report?
O A. a margin of error
B. a parameter
C. a statistic
D. a confidence interval
O E. a confidence level
Transcribed Image Text:A newspaper report conducted a survey of 505 people in the Bay Area and found that 35% of the population believe that a large earthquake will hit San Francisco by the end of the year. In the accompanying dialogue, the report states, we are 98% confident that the true proportion of people in the Bay Area who believe that a large earthquake will hit San Francisco by the end of the year lies between 28% and 42% What does 98% represent in the report? O A. a margin of error B. a parameter C. a statistic D. a confidence interval O E. a confidence level
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