ZuoTi.Pro
Question

indow Help how to calculate p value on ti 84 TA20 2018 T f (page 4 of 7. (10 points) A company produces lunch boxes whose weights are known to be normally distributed with a standard deviation of 0.5 ounces. A random sample of 25 lunch boxes had a mean weight of 8 ounces. Find a 95% confidence interval for the population mean.
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

uwe have n= 25 =2.06 for ofe 24 -7.794 and 8.206 c 7.734, 8.20

0 0
Add a comment
Know the answer?
Add Answer to:
indow Help how to calculate p value on ti 84 TA20 2018 T f (page 4...
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

  • Use the standard normal distribution or the t-distribution to construct the indicated confidence interval for the...

    Use the standard normal distribution or the t-distribution to construct the indicated confidence interval for the population mean of each data set. Justify your decision. If neither distribution can be used, explain why. Interpret the results. (a) In a random sample of 36 patients, the mean waiting time at a dentist’s office was 24 minutes and the standard deviation was 7.5 minutes. Construct a 90% confidence interval for the population mean. (b) In a random sample of 25 cereal boxes,...

  • please show how its done on TI-64 1. SAT scores are distributed with a mean of...

    please show how its done on TI-64 1. SAT scores are distributed with a mean of 1,500 and a standard deviation of 300. You are interested in estimating the average SAT score of first year students at your college. If you would like to limit the margin of error of your 95% confidence interval to 25 points, how many students should you sample? 3. If n=31, ¯xx¯(x-bar)=36, and s=6, construct a confidence interval at a 98% confidence level. Assume the...

  • 128 In Review Question 11.12 on page 218, instead of testing a hypothesis, you might prefer...

    128 In Review Question 11.12 on page 218, instead of testing a hypothesis, you might prefer to construct a confidence interval for the mean weight of all 2-pound boxes of candy during a recent production shift. (a) Given a population standard deviation of .30 ounce and a sample mean weight of 33.09 ounces for a random sample of 36 candy boxes, construct a 95 percent con- fidence interval. (b) Interpret this interval, given the manufacturer's desire to produce boxes of...

  • Statistics 214 Section 5. Thousands of elementary school students in a region were recently given a...

    Statistics 214 Section 5. Thousands of elementary school students in a region were recently given a nationwide standardized exam to test their writing skills. In a simple random sample of 280 students, 192 students passed this exam. a) Construct a 99% confidence interval for the proportion of elementary school students in the region who passed the exam. Round the endpoints of the interval to three decimal places. b) Using a complete sentence, interpret the confidence interval in the context of...

  • 9. Consider the mean of a random sample of size 75, X. If S2 is the...

    9. Consider the mean of a random sample of size 75, X. If S2 is the sample variance and the population is normally distributed with mean y, what is the distribution of 10. The mean weight of peanuts in a sample of size 16 from a barrel is 0.09 ounces. The standard deviation of the sample is 0.015 ounces. What is a 90% confidence interval for the mean weight of all peanuts in the barrel? Assume peanut weights in the...

  • Suppose that textbook weights are normally distributed. You measure 21 textbooks' weights, and find they have...

    Suppose that textbook weights are normally distributed. You measure 21 textbooks' weights, and find they have a mean weight of 75 ounces. Assume the population standard deviation is 11.4 ounces. Based on this, construct a 95% confidence interval for the true population mean textbook weight. Round answers to 2 decimal places.

  • Test: Chs. 879 Exam Time Remaining: 01:51:09 Submit Test This Question: 1 pt 9 of 12...

    Test: Chs. 879 Exam Time Remaining: 01:51:09 Submit Test This Question: 1 pt 9 of 12 (1 complete) This Test: 12 pts possible Question Help Use the weights of cans of generic soda as sample one, and use the weights of cans of the diet version of that soda as sample two. Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal. Construct a 95%...

  • The average price of a TI 89 titanium calculator with the term to be 152.33 from...

    The average price of a TI 89 titanium calculator with the term to be 152.33 from a random sample of nine calculators being sold online assume that the population is normally distributed in the population third vision is $20 Quesly in 95 all TI 89 being sold online The average price of a TI 89 titanium calculator with the term to be 152.33 from a random sample of nine calculators being sold online assume that the population is normally distributed...

  • 4. Definition of Confidence Intervals (Section 6.1) Circle your answer, True of False. • A 99%...

    4. Definition of Confidence Intervals (Section 6.1) Circle your answer, True of False. • A 99% confidence interval means that there is a 99% probability that the population mean, M, is in the interval. True / False • A 90% confidence interval means that if a large number of samples are taken, 90% of these samples would contain the actual mean, M. True / False 5. A nurse at a local hospital is interested in estimating the birth weight of...

  • 6.2.19-T Question Help In a random sample of four microwave ovens, the mean repair cost was...

    6.2.19-T Question Help In a random sample of four microwave ovens, the mean repair cost was $85.00 and the standard deviation was $13.00. Assume the population is normally distributed and use a t-distribution to construct a 99% confidence interval for the population mean μ. What is the margin of error of μ? Interpret the results. The 99% confidence interval for the population mean μ is (DD (Round to two decimal places as needed.) 6.2.21-T Question Help In a random sample...

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