Confidence interval for the mean diameter, Basic Statistics

+44 141 628 6080
[email protected]

Confidence interval for the mean diameter

Measurements of the diameter of a random sample of 100 ball bearings made by a certain machine during one week showed a mean of 0.944 inch and a standard deviation of 0.052 inch.

a) Find a 90% Confidence interval for the mean diameter of all the ball bearings

b) Find a 95% confidence interval for the mean diameter of all the ball bearings

Request for Solution File

Ask an Expert for Answer!!

Basic Statistics: Confidence interval for the mean diameter

Reference No:- TGS0740716

Expected delivery within 24 Hours

Have a Question? (oR Write a Review)

Write atleast 100 words!!

Recent Questions Asked Basic Statistics

Q : How much time will it take for the water heater

A portable electric water heater transfers 255 watts (W)of power to 5.5L of water, where 1W=1J/s How much time (in minutes) will it take for the water heater to heat 5.5 L of water from 27 degrees Celcius to 44 degreesCelcius?

Q : Why does this result supprt the view

A solution of 22.0g CaCl2 in 100.0 cm^3 of water has a vapor pressure of 22.8 torr at 26 celsius. Why does this result supprt the view that CaCl2 is completely ionized to Ca 2+ and Cl - in aqueous solution?

Q : Mean of the sample means and standard deviation

Taking samples of size n = 2, find the mean of the sample means and the standard deviation of the sample means. Explain the relationships between the different means and the different standard deviations.

Q : What is the magnitude of the force of replusion

Two point charges are seperated by a distance R and they repel each other with a force F. If their seperation is reduced to 0.25 times the original value, what is the magnitude of the force of replusion between them?

Q : Confidence interval for the mean diameter

Measurements of the diameter of a random sample of 100 ball bearings made by a certain machine during one week showed a mean of 0.944 inch and a standard deviation of 0.052 inch. Find a 90% Confidence interval for the mean diameter of all the ball

Q : Estimate of the mean reaction time

In measuring reaction time, a human factors engineer estimates that the standard deviation is 0.20 second. How large a sample of measurements must be taken in order to be 95% confidence that the error in her estimate of the mean reaction time will

Q : How many pump stations needed for a pipeline

A 200mm DN pipeline has to deliver 80m³/h of water at a discharge pressure of 5,550kPa. Approximately how many pump stations would be needed for a pipeline 300km long?

Q : Diver-in-training is put into a pressurized suit

The bulk modulus for bone is about 1.5*10^10Pa. If a diver-in-training is put into a pressurized suit, by how much would the pressure have to be raised (in atmospheres) above atmospheric pressure to compress her bones by 0.120% of their original v

Q : Confidence interval for the population mean of the shafts

A sample of 15 measurements of the diameter of a shaft gave a mean Xbar=4.38 inches and a standard deviation s=0.06 inch. Find a 95% confidence interval for the population mean of the shafts

1956305

Questions
Asked

3,689

Active Tutors

1424766

Questions
Answered

Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!

ask Question

Request for Solution File

Ask an Expert for Answer!!

Basic Statistics: Confidence interval for the mean diameter

Reference No:- TGS0740716

Have a Question? (oR Write a Review)

Recent Questions Asked Basic Statistics

Q : How much time will it take for the water heater

Q : Why does this result supprt the view

Q : Mean of the sample means and standard deviation

Q : What is the magnitude of the force of replusion

Q : Confidence interval for the mean diameter

Q : Estimate of the mean reaction time

Q : How many pump stations needed for a pipeline

Q : Diver-in-training is put into a pressurized suit

Q : Confidence interval for the population mean of the shafts

Problem regarding the america youth and social media

Why you feel unpleasantly hot and sweaty

What is a behavioral indicator related to family

Discuss three ethical guidelines that are important

Discussion about the nature versus nurture

Discuss children diagnosed with developmental disabilities

Problem concerning consensual sexual relationship

Request for Solution File

Ask an Expert for Answer!!

Basic Statistics: Confidence interval for the mean diameter

Reference No:- TGS0740716

Recent Questions Asked Basic Statistics

Q : How much time will it take for the water heater

Q : Why does this result supprt the view

Q : Mean of the sample means and standard deviation

Q : What is the magnitude of the force of replusion

Q : Confidence interval for the mean diameter

Q : Estimate of the mean reaction time

Q : How many pump stations needed for a pipeline

Q : Diver-in-training is put into a pressurized suit

Q : Confidence interval for the population mean of the shafts

Asked Questions