Question

6.32 Changes in sample size. Suppose that, in the setting of the previous exer- cise, you...

6.32 Changes in sample size. Suppose that, in the setting of the previous exer-
cise, you have the resources to contact 500 recent graduates. If all respond, will
your margin of error be larger or smaller than $1000? What if only 50% respond?
Verify your answers by performing the calculations.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Suppose a random sample of size 50 is selected from a population with σ = 12....
Suppose a random sample of size 50 is selected from a population with σ = 12. Find the value of the standard error of the mean in each of the following cases. (Use the finite population correction factor if appropriate. Round your answers to two decimal places.) (a) The population size is infinite. (b) The population size is N = 50,000. (c) The population size is N = 5,000. (d) The population size is N = 500.
Suppose you have a sample of size 33 with a mean of 39 and a population...
Suppose you have a sample of size 33 with a mean of 39 and a population standard deviation of 14.5. What is the maximal margin of error associated with a 95% confidence interval for the true population mean? In your calculations, use z = 2. Give your answer as a decimal, to two places m = ounces
Suppose you have a sample size of 50 with a mean 77 and a population standard...
Suppose you have a sample size of 50 with a mean 77 and a population standard deviation of 8.3. Based on this, construct a 95% confidence interval for the true population mean. Use z = 2 (rather than 1.96) for your calculations. Give your answers as decimals, to two places In a survey, 19 people were asked how much they spent on their child's last birthday gift. The results were roughly shaped as a normal curve with a mean of...
The contract size for platinum futures is 50 troy ounces. Suppose you need 500 troy ounces...
The contract size for platinum futures is 50 troy ounces. Suppose you need 500 troy ounces of platinum and the current futures price is $930 per ounce. How many contracts do you need to purchase? How much will you pay for your platinum? What is your dollar profit if platinum sells for $980 a troy ounce when the futures contract expires? What if the price is $880 at expiration? (A negative value should be indicated by a minus sign. Do...
1. When constructing a confidence interval to estimate a population proportion, what affects the size of...
1. When constructing a confidence interval to estimate a population proportion, what affects the size of the margin of error? A. The sample size B. The sample proportion C. The confidence level D. All of the above affect the size of the margin of error E. None of the above affect the size of the margin of error 2. What percentage of couples meet through online dating apps? A survey of a random sample of couples finds that 12% say...
Q1: A random sample of 390 married couples found that 290 had two or more personality...
Q1: A random sample of 390 married couples found that 290 had two or more personality preferences in common. In another random sample of 570 married couples, it was found that only 36 had no preferences in common. Let p1 be the population proportion of all married couples who have two or more personality preferences in common. Let p2 be the population proportion of all married couples who have no personality preferences in common. (a) Find a 95% confidence interval...
PLEASE ANSWER THEM ALL, WILL GIVE THUMBS UP 1) Which Statement is True? a) ABC Corp....
PLEASE ANSWER THEM ALL, WILL GIVE THUMBS UP 1) Which Statement is True? a) ABC Corp. has a return on investment (ROI) of 12% and a weighted average cost of capital (WACC) of 11%, while XYZ Corp. has an ROI of 10% and a WACC of 8%. In this situation, XYZ is performing better than ABC because XYZ is generating a higher Economic Value Added (EVA) b) If you were super rich and had a huge portfolio of stocks that...
1.Ford initially tried to use vertical integration to control all aspects of the production and sale...
1.Ford initially tried to use vertical integration to control all aspects of the production and sale of its automobiles. Later, Ford abandoned vertical integration and adopted a strategy of partnerships with key suppliers. The partnership arrangements were expected to cut costs for Ford but still permit the suppliers to enjoy profits at the level of the industry standard. How would it be possible for a supplier’s profits to be preserved while Ford’s costs decreased? Select one: a. Ford would agree...
Please read the article and answear about questions. Determining the Value of the Business After you...
Please read the article and answear about questions. Determining the Value of the Business After you have completed a thorough and exacting investigation, you need to analyze all the infor- mation you have gathered. This is the time to consult with your business, financial, and legal advis- ers to arrive at an estimate of the value of the business. Outside advisers are impartial and are more likely to see the bad things about the business than are you. You should...
Team 5 answer the questions What are 4 key things you learned about the topic from...
Team 5 answer the questions What are 4 key things you learned about the topic from reading their paper? How does the topic relate to you and your current or past job? Critique the paper in terms of the organization and quality. Incentive Systems             In this paper, we will focus primarily on financial rewards that companies use to attract, retain and motivate the brightest and most talented candidates in the labor market. By providing a reward system that...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT