Question

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 618 male voters and 713 female voters was taken. 289 men and 429 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.

Step 2 of 3:

Find the margin of error. Round your answer to six decimal places.

Find lower endpoint and upper endpoint

Answer 1

1 -----------------------------> men candidate

2 -----------------------------> women candidate

Refer Standard normal table/Z-table or use excel function "=NORM.S.INV((1-0.01))" to find the Z-value.