# Question

Five economists have published recent forecasts for the upcoming fiscal year. Three of the economists predict an upturn in the economy. Two predict a downturn.

a. List the 10 possible samples of size 2 that could be selected from this population of economists.

b. Show the proportion of economists in each sample who predict an upturn.

c. Produce a table showing the sampling distribution of the sample proportion and show the corresponding bar chart.

a. List the 10 possible samples of size 2 that could be selected from this population of economists.

b. Show the proportion of economists in each sample who predict an upturn.

c. Produce a table showing the sampling distribution of the sample proportion and show the corresponding bar chart.

## Answer to relevant Questions

You plan to estimate the difference in two population proportions by taking a random sample of size 500 from each of the two populations. The sample from Population1 has a sample proportion of .35. The sample from Population ...Two large production runs have recently been completed— one on the night shift and one on the day shift. The shop foreman takes a random sample of 100 units from each run and tests them to estimate the difference in the ...Refer to Exercise 50. a. Show the bar chart for the sampling distribution and comment on its shape. b. Show that the mean of the sampling distribution is exactly equal to the population proportion, . c. Show that the ...The Consumer Confidence Survey is conducted monthly for The Conference Board, an organization that reports on a number of economic indicators. The survey is based on a representative sample of 3000 US households. In a recent ...The administration wants to estimate the proportion of students at Pitcairn College (enrollment: 12,000) who favor a change in the pass/ fail grading system. A random sample of 200 students is selected without replacement. ...Post your question

0