HomeworkLib
Question

Suppose that a fast food restaurant decides to survey its customers to gauge interest in a...

Suppose that a fast food restaurant decides to survey its customers to gauge interest in a breakfast menu. After surveying multiple people, the restaurant created a 95% confidence interval for the proportion of customers interested in a breakfast menu. The confidence interval is (0.688,0.766) . Use the confidence interval to find the point estimate and margin of error for the proportion. Give your answer precise to three decimal places.

math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

Solution :

Point estimate = = (Lower confidence interval + Upper confidence interval ) / 2

Point estimate = = (0.688+0.766) / 2=0.727

0 0
Add a comment
Know the answer?
Add Answer to:
Suppose that a fast food restaurant decides to survey its customers to gauge interest in a...
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. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • A 1 7.32. Before adding a new kind of burger to its menu, a fast food...

    A 1 7.32. Before adding a new kind of burger to its menu, a fast food restaurant first conducts a market survey to see if customers will like it. Out of the 256 customers surveyed, 187 said that they would buy the burger. Construct and interpret a 95% confidence interval to estimate the proportion of customers that would buy the new burger if it were sold to the general public. 7.33. A survey wanted to determine what kind of game...

  • A fast food restaurant recently added a new sandwich to its menu. To estimate the popularity...

    A fast food restaurant recently added a new sandwich to its menu. To estimate the popularity of this sandwich, a random sample of 43 customers who ordered the sandwich were surveyed. Each of these customers were asked to rate this sandwich on a scale of 1 to 100. The manager used the resulting data to calculate a 95% confidence interval for the mean rating of the new sandwich. 95% confidence interval: (57.65, 66.84) (a) Identify the parts of this confidence...

  • Margaret manages a fast food restaurant and she is concerned about customers who ask for a...

    Margaret manages a fast food restaurant and she is concerned about customers who ask for a water cup when placing an order but fill the cup with a soft drink from the beverage fountain instead of filling the cup with water. She selected a random sample of 90 customers who asked for a water cup when placing an order and found that 33 of those customers filled the cup with a soft drink from the beverage fountain. Construct 95 percent...

  • The amount that a sample of eight customers spent for lunch ($) at a fast-food restaurant...

    The amount that a sample of eight customers spent for lunch ($) at a fast-food restaurant is shown below: 67, 52, 86, 52, 88, 32, 28, 43 a. Find the sample mean ??? b. Find the sample standard deviation S c. Construct a 95% confidence interval estimate for the population mean ?

  • A random sample of 13 customers in a Kentucky fast food restaurant revealed an average bill...

    A random sample of 13 customers in a Kentucky fast food restaurant revealed an average bill of OMR 18.75 per person. The population standard deviation is OMR5.4. Estimate 98% confidence interval for the mean bill of all customers. A random sample of ' n' customers in a Kentucky fast food restaurant revealed an average bill of OMR & per person. The population standard deviation is OMR 6. Estimate 98% confidence interval for the mean bill of all customers. n X...

  • Owner of Frank’s Fast Food, is concerned about the wait time for customers at his restaurant....

    Owner of Frank’s Fast Food, is concerned about the wait time for customers at his restaurant. He serves breakfast from 6:30 until 10:30, then the regular menu for the rest of the day. Frank assumes the distribution of wait times is normal and while the average wait times between breakfast and lunch customers are similar, Frank is concerned that the regular menu (served during the lunch time) causes more variability in the wait times. Frank had a consultant take samples...

  • In a study of the accuracy of fast food drive-through orders, Restaurant A had 299 accurate...

    In a study of the accuracy of fast food drive-through orders, Restaurant A had 299 accurate orders and 56 that were not accurate. a. Construct a 95% confidence interval estimate of the percentage of orders that are not accurate. b Compare the results from part a to this 95% confidence interval for the percentage of orders that are not accurate at Restaurant B: 0.137 p <0.214. What do you conclude? a. Construct a 95% confidence interval. Express the percentages in...

  • The manager of a fast food restaurant with a drive up window is interested in how...

    The manager of a fast food restaurant with a drive up window is interested in how long people have to wait between the time they order and the time their order is filled. The assistant manager randomly samples 285 customers and records their wait time. The mean wait time was 340 seconds with a standard deviation of 73. What is the upper limit of the 99% confidence interval for mean wait time? Round up to the nearest whole seconds.

  • In a study of the accuracy of fast food​ drive-through orders, Restaurant A had 300 accurate...

    In a study of the accuracy of fast food​ drive-through orders, Restaurant A had 300 accurate orders and 51 that were not accurate. a. Construct a 95​% confidence interval estimate of the percentage of orders that are not accurate. b. Compare the results from part​ (a) to this 95​% confidence interval for the percentage of orders that are not accurate at Restaurant​ B: 0.121<p<0.205. What do you​ conclude?

  • 7.1.19-T In a study of the accuracy of fast food delive through orders, Restaurant Ahad 316...

    7.1.19-T In a study of the accuracy of fast food delive through orders, Restaurant Ahad 316 accurate orders and 73 that were not accurate a. Construct a 95% confidence interval estimate of the percentage of orders that are not accurate b. Compare the results from part (a) to this 95% confidence interval for the percentage of orders that are not accurate at Restaurant B: 0.163<p<0.243. What do you conchide? a. Construct a 95% confidence interval Express the percentages in decimal...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT