Question

A study of the career paths of hotel general managers sent questionnaires to an SRS of...

A study of the career paths of hotel general managers sent questionnaires to an SRS of 220 hotels belonging to major U.S. hotel chains. There were 99 responses. The average time these 99 general managers had spent with their current company was 9.02 years. (Take it as known that the standard deviation of time with the company for all general managers is 2.3 years.)

(a) Find the margin of error for an 85% confidence interval to estimate the mean time a general manager had spent with their current company:  years

(b) Find the margin of error for a 99% confidence interval to estimate the mean time a general manager had spent with their current company:  years

(c) In general, increasing the confidence level  the margin of error (width) of the confidence interval. (Enter: ''DECREASES'', ''DOES NOT CHANGE'' or ''INCREASES'', without the quotes.)

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
(1 point) A study of the career paths of hotel general managers sent questionnaires to an...
(1 point) A study of the career paths of hotel general managers sent questionnaires to an SRS of 260 hotels belonging to major U.S. hotel chains. There were 148 responses. The average time these 148 general managers had spent with their current company was 9.64 years. (Take it as known that the standard deviation of time with the company for all general managers is 2.8 years.) (a) Find the margin of error for a 90% confidence interval to estimate the...
A study of the career paths of hotel general managers sent questionnaires to an SRS of...
A study of the career paths of hotel general managers sent questionnaires to an SRS of 280 hotels belonging to major U.S. hotel chains. There were 168 responses. The average time these 168 general managers had spent with their current company was 9.98 years. Take it as known that the standard deviation of time with the company for all general managers is 2.2 years. Give your answers to at least 2 decimal places, and use at least 3 decimal places...
A study of the career paths of hotel general managers sent questionnaires to an SRS of...
A study of the career paths of hotel general managers sent questionnaires to an SRS of 170 hotels belonging to major U.S. hotel chains. There were 100 responses. The average time these 100 general managers had spent with their current company was 11.6 years. Give a 99% confidence interval for the mean number of years general managers of major-chain hotels have spent with their current company. (Take it as known that the standard deviation of time with the company for...
1.A study of the career paths of hotel general managers sent questionnaires to an SRS of...
1.A study of the career paths of hotel general managers sent questionnaires to an SRS of 230 hotels belonging to major U.S. hotel chains. There were 129 responses. The average time these 129 general managers had spent with their current company was 13.17 years. (Take it as known that the standard deviation of time with the company for all general managers is 3.2 years.) a)Find the margin of error for an 80% confidence interval to estimate the mean time a...
A study of the career paths of hotel general managers sent questionnaires to a random sample...
A study of the career paths of hotel general managers sent questionnaires to a random sample of 106 hotels belonging to major U.S. hotel chains. The average time these 106 general managers had spent with their current company was 9.54 years. (Take it as known that the standard deviation of time with the company for all general managers is 3.9 years.) (a) Find the bound for a 95% confidence interval to estimate the mean time a general manager had spent...
A study of the career paths of hotel general managers sent questionnaires to an SRS of...
A study of the career paths of hotel general managers sent questionnaires to an SRS of 193 hotels belonging to major U.S. hotel chains. There were 61 responses. The average time these 61 general managers had spent with their current company was 11.78 years. It is given that the standard deviation of time with the company for all general managers is 3.4 years. Calculate a 99.5% confidence interval for the mean number of years that general managers of major-chain hotels...
Case 114 - THE TRUNP TAJ HOTEL The Trunp Taj Hotel is a five-star hotel in...
Case 114 - THE TRUNP TAJ HOTEL The Trunp Taj Hotel is a five-star hotel in Bangkok, Thailand. The hotel was established fifteen years ago by a local consortium of investors and has been operated by a Thai general manager throughout this time. The hotel is one of Bangkok’s most prestigious hotels and its 700 employees enjoy the prestige of being associated with the hotel. The hotel provides good employee benefits, above-market rate salary, and job security. In addition, a...
A market research firm supplies manufacturers with estimates of the retail sales of their products from...
A market research firm supplies manufacturers with estimates of the retail sales of their products from samples of retail stores. Marketing managers are prone to look at the estimate and ignore sampling error. An SRS of  11 stores this year shows mean sales of 82 units of a small appliance, with a standard deviation of 99 units. During the same point in time last year, an SRS of 16stores had mean sales of 74.35 units, with standard deviation 10.2 units. An...
(1 point) A market research firm supplies manufacturers with estimates of the retail sales of their...
(1 point) A market research firm supplies manufacturers with estimates of the retail sales of their products from samples of retail stores. Marketing managers are prone to look at the estimate and ignore sampling error. An SRS of 29 stores this year shows mean sales of 74 units of a small appliance, with a standard deviation of 12.2 units. During the same point in time last year, an SRS of 26 stores had mean sales of 62.166 units, with standard...
1 point) A market research firm supplies manufacturers with estimates of the retail sales of their...
1 point) A market research firm supplies manufacturers with estimates of the retail sales of their products from samples of retail stores. Marketing managers are prone to look at the estimate and ignore sampling error. An SRS of 14 stores this year shows mean sales of 69 units of a small appliance, with a standard deviation of 8.6 units. During the same point in time last year, an SRS of 19 stores had mean sales of 58.938 units, with standard...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT