1. A city currently does not have a National Football League team. 68.5% of all the city

residents are in favor of attracting NFL team.

a. A random sample 850 of the city residents is selected, and asked if they would want

an NFL team. Describe the sampling distribution of , the proportion of the residents

who want NFL team.

b. In the sample obtained in part a, what is the probability the proportion of residents

who want NFL team is greater than 67%?

c. What is the probability that 558 or fewer of the residents want the NFL team? Will

this be unusual?

2. 585 of 1024 randomly selected adult Ghanaians aged 18 or older stated that a

candidate's positions on the issue of family values are extremely or very important in

determining their vote of president.

a. Obtain a point estimate for the proportion of adult Ghanaians aged 18 or older who

believe family values are extremely or very important in determining their vote for

president.

b. Construct and interpret a 90% confidence interval for the proportion of adult

Ghanaians aged 18 or older who believe family values are extremely or very

important in determining their vote for president