Estimate the true population mean

Assignment Help Business Economics

Reference no: EM136313

Q. A) Suppose we randomly poll 500 Americans and ask them whether they believe that the parents are involved. What is the distribution of the sample mean?
B) What is the probability that the sample average will be within four percentage points of the population mean?
C) How would the answer to part B) change if we polled 1,000 people?
D) Give an intuitive explanation for why your answer to part b) differs from that in part c).
E) Suppose that of the 1000 people sampled in part c), 548 believe that Madeline's parents were involved in her disappearance. What is the point estimate of the true population mean? How likely are we going to see 548 or more people believeinir involvement?
F) Suppose a newspaper claims that 60% or more of the population believesin parents' involvement. What's the most appropriate hypothesis test to show that they are wrong?
G) Using the sample observation in part e), perform the hypoth.

Reference no: EM136313

Questions Cloud

Behaviors of consumers and suppliers : Explain the process of how that movement occurred using behaviors of consumers and suppliers. Graph the movement between the two points as well.

Circular flow relates to current economic situations : Explain a way that your family interactsin factor market and a way that it interactsin products market. Discuss how circular flow relates to current economic situations.

Discourage twinkie consumption by raising the price : School tries to discourage Twinkie consumption by raising the price to $.40, by how much will Matt's mother have to increase his lunch allowance to provide him.

Gun control laws for the states : You will need to determine how you will measure strict gun control laws for the states and to define what types of crimes will make up the crime rate.

Estimate the true population mean : Suppose we randomly poll 500 Americans and ask them whether they believe that the parents are involved. What is the distribution of the sample mean.

Steel between the united states and germany : In long run, what would you expect to happen to the price of steelin U.S. and Germany. What would be the price differential.

Equilibrium value of consumption and investment : Solve for equilibrium real output and also solve for the equilibrium interest rate.

Equilibrium value of consumption and investment : Solve for the equilibrium interest rate. Solve for equilibrium value of consumption and investment.

Rocky mountain region visited yellowstone park : Study by the National Park Service revealed that 50 percent of vacationers going to the Rocky Mountain region visited Yellowstone Park, 40 percent visit the Tetons, and 35 percent visit both.

User Account

All Pages