Author Question: The improvement in the value of the objective function per unit increase in a right-hand side is the ... (Read 96 times)

Arii_bell · **on:** Jun 24, 2018

The improvement in the value of the objective function per unit increase in a right-hand side is the
a. sensitivity value.
b. dual price.
c. constraint coefficient.
d. slack value.

Question 2

Political Science, Inc (PSI) specializes in voter polls and surveys designed to keep political office seekers informed of their position in a race. Using telephone surveys, interviewers ask registered voters who they would vote for if the election were held that day. In a recent election campaign, PSI found that 220 registered voters, out of 500 contacted, favored a particular candidate.
a. Develop a 95 confidence interval estimate for the proportion of the population of registered voters that favors the candidate.
b. Suppose that PSI would like 99 confidence that the sample proportion is within .03 of the population proportion. What sample size is needed to provide the desired margin of error?

akemokai · **Reply #1 on:** Jun 24, 2018

Answer to Question 1

B

Answer to Question 2

a. We are 95 confident that the proportion of the population of registered voters that favors the candidate is between .3965 and .4835.
b. The required sample size is 1816.