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 90% confidence interval for the difference. A random sample of 588 male voters and 545 female voters was taken. 273 men and 322 women favored Mr. Singleton as a candidate. Find this confidence interval. Step 2 of 4 :

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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 90% confidence interval for the difference. A random sample of 588 male voters and 545 female voters was taken. 273 men and 322 women favored Mr. Singleton as a candidate. Find this confidence interval.

Step 2 of 4 :  

Find the critical value that should be used in constructing the confidence interval.

 
 
 
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