Question

Use the given degree of confidence and sample data to construct a confidence interval for the...

Use the given degree of confidence and sample data to construct a confidence interval for the population mean µ.

39 packages are randomly selected from packages received by a parcel service. The sample has a mean weight of 21.1 pounds and a standard deviation of 3.7 pounds. What is the 95 percent confidence interval for the true mean weight, µ, of all packages received by the parcel service?

Group of answer choices

(19.7, 22.5)

(19.9, 22.3)

(19.6, 22.6)

(20.1, 22.1)

Homework Answers

Answer #1

Confidence interval calculation .

Lower bound = 19.9

upper bound = 22.3

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
Use the given degree of confidence and sample data to construct a confidence interval for the...
Use the given degree of confidence and sample data to construct a confidence interval for the population mean µ. 31 packages are randomly selected from packages received by a parcel service. The sample has a mean weight of 15.7 pounds and a standard deviation of 1.7 pounds. What is the 95 percent confidence interval for the true mean weight, µ, of all packages received by the parcel service? (15.2, 16.2) (14.9, 16.5) (15.0, 16.4) (15.1, 16.3)
Use the given degree of confidence and sample data to construct a confidence interval for the...
Use the given degree of confidence and sample data to construct a confidence interval for the population mean µ. Assume that the population has a normal distribution. A laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 239 milligrams with s = 13.3 milligrams. Construct a 95 percent confidence interval for the true mean cholesterol content of all such eggs. Group of answer choices (230.4, 247.6) (230.5, 247.5) (230.6, 247.4) (232.1, 245.9)
Use the given degree of confidence and sample data to construct a confidence interval for the...
Use the given degree of confidence and sample data to construct a confidence interval for the population mean µ. Assume that the population has a normal distribution. 6) The football coach randomly selected ten players and timed how long each player took to perform a certain drill. The times (in minutes) were: 7.8 10.6 9.9 8.1 11.5 7.2 6.2 11.1 10.6 12.9 Determine a 95% confidence interval for the mean time for all players.
Use the given degree of confidence and sample data to construct a confidence interval for the...
Use the given degree of confidence and sample data to construct a confidence interval for the population mean μ. Assume that the population has a normal distribution. Thirty randomly selected students took the calculus final. If the sample mean was 90 and the standard deviation s = 6.7, construct a 99% confidence interval for the mean score of all students
Use the given degree of confidence and sample data to construct a confidence interval for the...
Use the given degree of confidence and sample data to construct a confidence interval for the population mean μ. Assume that the population has a normal distribution. Thirty randomly selected students took the calculus final. If the sample mean was 95 and the standard deviation was​ 6.6, construct a​ 99% confidence interval for the mean score of all students. A.92.95 <μ <97.05 B.92.03 <μ <97.97 C.91.69 <μ <98.31 D.91.68 <μ <98.32
Use the given degree of confidence and sample data to construct a confidence interval for the...
Use the given degree of confidence and sample data to construct a confidence interval for the population mean μ. Assume that the population has a normal distribution. A sociologist develops a test to measure attitudes towards public transportation, and 27 randomly selected subjects are given the test. Their mean score is x ¯ = 76.2 and their standard deviation is s = 21.4. Construct the 95% confidence interval for the mean score of all such subjects.
Use the given degree of confidence and sample data to construct a confidence interval for the...
Use the given degree of confidence and sample data to construct a confidence interval for the population mean μ. Assume that the population has a normal distribution. n = 30,  = 84.2, s = 18.4, 90% confidence
Use given degree of confidence and sample data to construct a confidence interval for the population...
Use given degree of confidence and sample data to construct a confidence interval for the population mean. Assume that the population has a normal distribution. N=30, sample mean =84.6, s=10.5%, 90% confidence
Use the given degree of confidence and sample data to construct a confidence interval for the...
Use the given degree of confidence and sample data to construct a confidence interval for the population mean. Assume that the population has a normal distribution n=96 x=87.1 standard deviation=6.2; 99% confidence
Use the given degree of confidence and sample data to construct a confidence interval for the...
Use the given degree of confidence and sample data to construct a confidence interval for the population mean μ. Assume that the population has a normal distribution. A laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with s=17.6 milligrams. Construct a​ 95% confidence interval for the true mean cholesterol content of all such eggs. A.173.7mg <μ <196.3mg B.173.8mg <μ <196.2mg C.175.9mg <μ <194.1mg D.173.9mg <μ <196.1mg
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT