Question

a machine produces metal pieces that are cylindercal in shape a random sample of 51 metal...

a machine produces metal pieces that are cylindercal in shape a random sample of 51 metal pieces produced by a machine show a mean diameter of 1.36cm and sd is 0.1 cm compute 98% confidence interval for true mean diameter for the metal pieces produced by the machine

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

please like ??

0 0
Know the answer?
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
Similar Questions
5. A machine is producing metal cans that are cylindrical in shape. A sample of 12...
5. A machine is producing metal cans that are cylindrical in shape. A sample of 12 cans are taken and the average diameter was found to be 10 mm. Find a 95 percent confidence interval for the mean diameter of pieces for this machine. Assume a normal distribution. standard Deviation was 0.282.
A machine produces metal rods used in an automobile suspension system. A random sample of 15...
A machine produces metal rods used in an automobile suspension system. A random sample of 15 rods is selected, and the diameter is measured. The resulting data (in millimeters) are as follows: 8.24 8.25 8.20 8.23 8.24 8.21 8.26 8.26 8.20 8.25 8.23 8.23 8.19 8.28 8.24 calculate a two-sided tolerance interval that has a 95% confidence level with a 90% probability of coverage. For this answer, just enter only the upper limit of the tolerance interval into the box....
A machine produces metal rods used in an automobile suspension system. A random sample of 15...
A machine produces metal rods used in an automobile suspension system. A random sample of 15 rods is selected, and the diameter is measured. The resulting data (in millimeters) are as follows: 8.24 8.25 8.20 8.23 8.24 8.21 8.26 8.26 8.20 8.25 8.23 8.23 8.19 8.28 8.24 1. calculate a 95% two-sided prediction interval. Round your answer to three significant digits. 2. calculate a two-sided tolerance interval that has a 95% confidence level with a 90% probability of coverage. For...
A machine produces metal rods used in an automobile suspension system. A random sample of 15...
A machine produces metal rods used in an automobile suspension system. A random sample of 15 rods is selected, and the diameter is measured. The resulting data (in millimeters) are as follows: 8.24, 8.25, 8.20, 8.23, 8.24, 8.21, 8.26, 8.26, 8.20, 8.25, 8.23, 8.23, 8.19, 8.22, 8.24. A conclusion has to be made at 1% significance that the mean rod diameter is greater than 8.20. What is the value of tcalc? Please report your answer in 3 decimal places.
A machine produces metal rods used in an automobile suspension system. A random sample of 15...
A machine produces metal rods used in an automobile suspension system. A random sample of 15 rods is selected, and the diameter is measured. The resulting data (in millimeters) are as follows: 8.24, 8.25, 8.20, 8.23, 8.24, 8.21, 8.26, 8.26, 8.20, 8.25, 8.23, 8.23, 8.19, 8.27, 8.24. A conclusion has to be made at 1% significance that the mean rod diameter is greater than 8.20. What is the value of tcalc? Please report your answer in 3 decimal places.
A manufacturer produces candy bars. A sample of pieces is taken, and the length of the...
A manufacturer produces candy bars. A sample of pieces is taken, and the length of the bars are found to be 2.00, 1.75, 1.5, 1.4, 1.0, 2.0, 2.0, 2.0, and 2.00 centimeters. Find a 90% confidence interval for the mean length of pieces from this candy machine, assuming an approximately normal distribution.
The Ajax Company just bought a new machine that makes boots. In a random sample of...
The Ajax Company just bought a new machine that makes boots. In a random sample of forty boots produced by the new machine, they find that the mean weight is 1520 grams with a standard deviation of 210 grams. Their old machine produced boots with a true mean weight of 1450 grams. a. Find a 95% confidence interval for the true mean weight using the new machine. b. Interpret the confidence interval in context. c. Find the error bound of...
A set of metal bars are known to have a mean diameter of 9.15mm with a...
A set of metal bars are known to have a mean diameter of 9.15mm with a standard deviation of 0.18mm. If it can be assumed that the diameters are normally distributed, find the 75% ans 95% confidence levels for an individual bar. The mean value of batteries produced by a company is 3.72 volts, with a standard deviation of 0.12 volts. Find the 95% confidence limit of 10 batteries, chosen at random, and connected in seriesThe mean value of batteries...
The Ajax Company just bought a new machine that makes boots. In a random sample of...
The Ajax Company just bought a new machine that makes boots. In a random sample of forty boots produced by the new machine, they find that the mean weight is 1550 grams with a standard deviation of 210 grams. Their old machine produced boots with a true mean weight of 1450 grams. (Answer all 4 parts) Find a 95% confidence interval for the true mean weight using the new machine. Interpret the confidence interval in context. Find the error bound...
A random sample of 49 drinks from a beverage-dispensing machine gave an average of 12.2 ounces...
A random sample of 49 drinks from a beverage-dispensing machine gave an average of 12.2 ounces with a standard deviation of 0.7 ounces. How large a sample is needed to obtain a 95% confidence interval for the true mean amount dispensed by the machine within an error bound of 0.1?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT