Obtain the required confidence interval for the difference between twe independent simple random samples have been selected from the two 24) In a random sample of 36 Democrats from one city, 18 approv sample of 48 Republicans from the city, 28 approved of the ma

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Obtain the required confidence interval for the difference between two population proportions. Assume that
independent simple random samples have been selected from the two populations.
24) In a random sample of 36 Democrats from one city, 18 approved of the mayor's performance. In a random
sample of 48 Republicans from the city, 28 approved of the mayor's performance. Find a 90% confidence
interval for the difference between the proportions of Democrats and Republicans who approve of the mayor's
performance.
Transcribed Image Text:Obtain the required confidence interval for the difference between two population proportions. Assume that independent simple random samples have been selected from the two populations. 24) In a random sample of 36 Democrats from one city, 18 approved of the mayor's performance. In a random sample of 48 Republicans from the city, 28 approved of the mayor's performance. Find a 90% confidence interval for the difference between the proportions of Democrats and Republicans who approve of the mayor's performance.
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