ZuoTi.Pro
Question

A machine produces parts with lengths that are normally distributed with σ = 0.69. A sample...

A machine produces parts with lengths that are normally distributed with σ = 0.69. A sample of 19 parts has a mean length of 76.89.

(a) Give a point estimate for μ. (Give your answer correct to two decimal places.)

(b) Find the 98% confidence maximum error of estimate for μ. (Give your answer correct to three decimal places.)

(c) Find the 98% confidence interval for μ. (Give your answer correct to three decimal places.)

Lower Limit ______

Upper Limit ______

You may need to use the appropriate table in Appendix B to answer this question.

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

Solwion (A)S Sin populahon Sadadeviahon 2.33 /3D maxqin errov wll be o69 6 1) la 0 SG8

0 0
Add a comment
Know the answer?
Add Answer to:
A machine produces parts with lengths that are normally distributed with σ = 0.69. A sample...
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 machine produces parts with lengths that are normally distributed with σ = 0.6. A sample...

    A machine produces parts with lengths that are normally distributed with σ = 0.6. A sample of 19 parts has a mean length of 75.28. (a) Give a point estimate for μ. (Give your answer correct to two decimal places.) (b) Find the 98% confidence maximum error of estimate for μ. (Give your answer correct to three decimal places.) (c) Find the 98% confidence interval for μ. (Give your answer correct to three decimal places.) Lower Limit Upper Limit You...

  • A machine produces parts with lengths that are normally distributed with σ = 0.55. A sample...

    A machine produces parts with lengths that are normally distributed with σ = 0.55. A sample of 14 parts has a mean length of 76.75. (a) Give a point estimate for μ. (Give your answer correct to two decimal places.) (b) Find the 95% confidence maximum error of estimate for μ. (Give your answer correct to three decimal places.) (c) Find the 95% confidence interval for μ. (Give your answer correct to three decimal places.) Lower Limit Upper Limit

  • A machine produces parts with lengths that are normally distributed with σ = 0.55. A sample...

    A machine produces parts with lengths that are normally distributed with σ = 0.55. A sample of 20 parts has a mean length of 76.47. (a) Give a point estimate for μ. (Give your answer correct to two decimal places.) (b) Find the 90% confidence maximum error of estimate for μ. (Give your answer correct to three decimal places.) (c) Find the 90% confidence interval for μ. (Give your answer correct to three decimal places.) Lower Limit - Upper Limit...

  • 5. -9.09 points JKEStat11 8 E 035 A machine produces parts with lengths that are normally...

    5. -9.09 points JKEStat11 8 E 035 A machine produces parts with lengths that are normally distributed with ơ-0.62. A sample of 13 parts has a mean length of 76.33. (a) Give a point estimate for μ. (Give your answer correct to two decimal places.) (b Find the 95% confidence maximum error of estimate for p. (Give your answer correct to three decimal places.) (c) Find the 95% confidence interval for Lower Limit . (Give your answer correct to three...

  • The sampled population is normally distributed, with the given information. (Give your answers correct to two...

    The sampled population is normally distributed, with the given information. (Give your answers correct to two decimal places.) n = 18, x = 28.4, and σ = 5.7 (a) Find the 0.99 confidence interval for μ. ______    to ______ (b) Are the assumptions satisfied? You may need to use the appropriate table in Appendix B to answer this question.

  • Summary data on daily caffeine consumption for a sample of adult women is the following: n...

    Summary data on daily caffeine consumption for a sample of adult women is the following: n = 36, sample mean= 215 mg. Assume the population is normally distributed with standard deviation is σ = 12 mg. Construct an appropriate 98% confidence interval for the population mean, μ. A.) What is your point estimate? B.) Critical Value? C.) Standard Error? D.) Margin of Error? E.) Lower Confidence Bound (or limit)? F.) Upper Confidence Bound (or limit)?

  • Lifetimes of AAA batteries are approximately normally distributed. A manufacturer wants to estimate the standard deviation...

    Lifetimes of AAA batteries are approximately normally distributed. A manufacturer wants to estimate the standard deviation of the lifetime of the AAA batteries it produces. A random sample of 17 AAA batteries produced by this manufacturer lasted a mean of 11 hours with a standard deviation of 2.5 hours. Find a 95% confidence interval for the population standard deviation of the lifetimes of AAA batteries produced by the manufacturer. Then complete the table below.Carry your intermediate computations to at least...

  • A sample of 67 night-school students' ages is obtained in order to estimate the mean age...

    A sample of 67 night-school students' ages is obtained in order to estimate the mean age of night-school students. = 26 years. The population variance is 20. (a) Give a point estimate for u. (Give your answer correct to one decimal place.) (b) Find the 95% confidence interval for u. (Give your answer correct to two decimal places.) Lower Limit Upper Limit (c) Find the 99% confidence interval for u. (Give your answer correct to two decimal places.) Lower Limit...

  • The sampled population is normally distributed, with the given information. (Give your answers correct to two...

    The sampled population is normally distributed, with the given information. (Give your answers correct to two decimal places.) n = 15, x = 29.7, and σ = 5.1 (A) Find the 0.98 confidence interval for μ. _______to _______ (B) Are the assumptions satisfied? Explain. a) Yes, the sampled population is normally distributed. b) No, the sample distribution is not normally distributed. c) not enough information

  • Current Attempt in Progress Construct 90%, 95%, and 99% confidence intervals to estimate μ from the...

    Current Attempt in Progress Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the point estimate. Assume the data come from a normally distributed population. 13.3 11.6 11.9 13.1 12.5 11.4 12.0 11.7 11.8 13.3 Appendix A Statistical Tables (Round the intermediate values to 4 decimal places. Round your answers to 2 decimal places.) 90% confidence interval: enter the lower limit of the 90% confidence interval  ≤ μ ≤ enter the upper limit of the...

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
ADVERTISEMENT