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There is no prior information about the proportion of americans who support gun control in 2018....

There is no prior information about the proportion of americans who support gun control in 2018. if we want to estimate 92% confidence interval for the true proportion with a 0.2 margin of error, how many randomly selected Americans must be surveyed?

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Answer #1

No prior information about the proportion

so assume p = 0.5

Sample size ( n ) = 20

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