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In studying his campaign plans, Mr. Singleton wishes to estimate the difference between men's and women's...

In studying his campaign plans, Mr. Singleton wishes to estimate the difference between men's and women's views regarding his appeal as a candidate. He asks his campaign manager to take two random independent samples and find the 98% confidence interval for the difference. A random sample of 644 male voters and 561 female voters was taken. 316 men and 140 women favored Mr. Singleton as a candidate. Find this confidence interval. Step 3 of 4 : Find the value of the standard error. Round your answer to three decimal places

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