Question

A national air traffic control system handled an average of 47, 359 flights during 29 randomly...

A national air traffic control system handled an average of

47, 359 flights during 29 randomly selected days in a recent year. The standard deviation for this sample is 6, 341

flights per day. Complete parts a through c below.

a. Construct a 99​% confidence interval to estimate the average number of flights per day handled by the system.

The 99​% confidence interval to estimate the average number of flights per day handled by the system is from a lower limit of

to an upper limit of

​(Round to the nearest whole​ numbers.)

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
A national air traffic control system handled an average of 47,673 flights during 28 randomly selected...
A national air traffic control system handled an average of 47,673 flights during 28 randomly selected days in a recent year. The standard deviation for this sample is 6,338 flights per day. Complete parts a through c below. a. Construct a 99​% confidence interval to estimate the average number of flights per day handled by the system.The 99​% confidence interval to estimate the average number of flights per day handled by the system is from a lower limit of ___...
The caloric consumption of 38 adults was measured and found to average 2,136. Assume the population...
The caloric consumption of 38 adults was measured and found to average 2,136. Assume the population standard deviation is 270 calories per day. Construct confidence intervals to estimate the mean number of calories consumed per day for the population with the confidence levels shown below. a.92% b.95% c.99% a. The 92% confidence interval has a lower limit of and an upper limit of .
Banking fees have received much attention during the recent economic recession as banks look for ways...
Banking fees have received much attention during the recent economic recession as banks look for ways to recover from the crisis. A sample of 34 customers paid an average fee of $12.47per month on their interest-bearing checking accounts. Assume the population standard deviation is $1.51 Complete parts a and b below. a. Construct a 99% confidence interval to estimate the average fee for the population. The 99 % confidence interval has a lower limit of $ ? and an upper...
A random sample of 15 college​ men's basketball games during the last season had an average...
A random sample of 15 college​ men's basketball games during the last season had an average attendance of 5,154 with a sample standard deviation of 1,775. Complete parts a and b below. a. Construct a 99​% confidence interval to estimate the average attendance of a college​ men's basketball game during the last season. The 99​% confidence interval to estimate the average attendance of a college​ men's basketball game during the last season is from a lower limit of to an...
A cruise company would like to estimate the average beer consumption to plan its beer inventory...
A cruise company would like to estimate the average beer consumption to plan its beer inventory levels on future​ seven-day cruises.​ (The ship certainly​ doesn't want to run out of beer in the middle of the​ ocean!) The average beer consumption over 16 randomly selected​ seven-day cruises was 81,867 bottles with a sample standard deviation of 4,522 bottles. Complete parts a and b below. a. Construct a 99​% confidence interval to estimate the average beer consumption per cruise. The 99​%...
The caloric consumption of 44 adults was measured and found to average 2,117. Assume the population...
The caloric consumption of 44 adults was measured and found to average 2,117. Assume the population standard deviation is 251 calories per day. Construct confidence intervals to estimate the mean number of calories consumed per day for the population with the confidence levels shown below. a. 93 % b. 96 % c. 98 % a. The 93 % confidence interval has a lower limit of and an upper limit of
The caloric consumption of 37 adults was measured and found to average 2 comma 199. Assume...
The caloric consumption of 37 adults was measured and found to average 2 comma 199. Assume the population standard deviation is 259 calories per day. Construct confidence intervals to estimate the mean number of calories consumed per day for the population with the confidence levels shown below. a. 91 % b. 96 % c. 97 % a. The 91 % confidence interval has a lower limit of nothing and an upper limit of ____. ​(Round to one decimal place as​...
A cruise company would like to estimate the average beer consumption to plan its beer inventory...
A cruise company would like to estimate the average beer consumption to plan its beer inventory levels on future​ seven-day cruises.​ (The ship certainly​ doesn't want to run out of beer in the middle of the​ ocean!) The average beer consumption over 17 randomly selected​ seven-day cruises was 82,357 bottles with a sample standard deviation of 4,492 bottles. Complete parts a and b below. a. Construct a 99​% confidence interval to estimate the average beer consumption per cruise. Answer: The...
question 1. A marketing specialist wants to estimate the average amount spent by visitors to an...
question 1. A marketing specialist wants to estimate the average amount spent by visitors to an online retailer's newly-designed website. From the data in a preliminary study she guesses that the standard deviation of the amount spent is about 16 dollars. How large a sample should she take to estimate the mean amount spent to within 4 dollars with 95% confidence? (Round your answer up to the next largest integer). ______ question 2. Pepsi wants to use this technique to...
A cruise company would like to estimate the average beer consumption to plan its beer inventory...
A cruise company would like to estimate the average beer consumption to plan its beer inventory levels on future​ seven-day cruises.​ (The ship certainly​ doesn't want to run out of beer in the middle of the​ ocean!) The average beer consumption over 20 randomly selected​ seven-day cruises was 81,654 bottles with a sample standard deviation of 4,537 bottles. Complete parts a and b below. a. Construct a 95​% confidence interval to estimate the average beer consumption per cruise. The 95​%...