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

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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 80%80% confidence interval for the
difference. A random sample of 677677 male voters and 690690 female
voters was taken. 364364 men and 189189 women favored Mr. Singleton
as a candidate. Find this confidence interval.
Step 1 of 3 :
Find the point estimate that should be used in constructing the
confidence interval. Round your answer to three decimal places.