Confidence interval for the true mean length

Assignment Help Basic Statistics
Reference no: EM131320067

In a manufacturing process a random sample of 36 bolts manufactured has a mean length of 3 inches with a standard deviation of .3 inches. What is the 99% confidence interval for the true mean length of the bolt? Please show your work.

Reference no: EM131320067

Questions Cloud

Who will lead the training, and how will it be implemented : Implementation: Who will lead the training, and how will it be implemented? Will you be training for knowledge or behavior change? How will you conduct the actual training to account for knowledge and/or behavioral change
What is a standing wave : What is a standing wave pattern? Discuss the voltage and current standing wave patterns for the short-circuited line.
Why is efficient note taking important in security settings : Address the following in the presentation: What are the types of written communication used by security professionals? Why is efficient note taking important in security settings? What are the principles of effective report writing
Determination of the location of a short circuit : Discuss the variation with frequency of the input reactance of a short-circuited line and its application in the determination of the location of a short circuit.
Confidence interval for the true mean length : In a manufacturing process a random sample of 36 bolts manufactured has a mean length of 3 inches with a standard deviation of .3 inches. What is the 99% confidence interval for the true mean length of the bolt? Please show your work.
Are there any issues or problems in case study organization : Are there any issues or problems in the case study organization that you have not considered or addressed? Think of variables not mentioned in the case that could impact your analysis or recommendations
Population of lengths of aluminum-coated steel sheets : The population of lengths of aluminum-coated steel sheets is normally distributed with a mean of 30.05 inches and a standard deviation of 0.3 inches. What is the probability that average length of a steel sheet from a sample of 9 units is more tha..
What are the boundary conditions for the voltage : Discuss the input behavior of a short-circuited line for frequencies slightly beyond those for which the quasistatic approximation is valid.
Packages of sugar bags for sweeter sugar inc : Packages of sugar bags for Sweeter Sugar Inc. have an average weight of 10 ounces and a standard deviation of 0.2 ounces. The weights of the sugar bags are normally distributed.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determine the work required to compress the nitrogen

a 15 cm3 cylinder contains nitrogen at 70 atm and 20 degrees celsius. this cylinder is placed in a 10000 cm3 evactuated

  Setting the cross products

Set up a proportion and solve it to demonstrate this type of business application. (An example might be 5 hours / $20 = 10 hours / x). Remember that setting the cross products (multiplications) equal, and then solving for x is the way to solve a p..

  Suppose that 6 of the apples on the truck dont meet the

when a truckload of apples arrives at a packing plant a random sample of 175 is selected and examined for bruises

  Based on a sampel of 500 employment records representatives

eu european union countries report that 46 of their labor force is female. the united nations wants to determine if the

  A pump is used to raise the pressure of water from 0 psig

a pump is used to raise the pressure of water from 0 psig to 55 psia. how much power in kw will be required to pump

  Proof by cases that for integers

Give a proof by cases that for integers m,n, we have |mn| = |m||n|. Hint: Consider four cases: (1) m ≥ 0 and n ≥ 0, (2) m ≥ 0 and n

  Find standard deviation of time required to complete process

The vessel where the second reaction will take place. The times for the two reactions are independent. Find the standard deviation of the time required to complete the process.

  Is it unusual to choose subjects without replacement

That they all had false positive results. Is it unusual to arbitarily choose 3 subjects without replacement and get three results which are all false positive results? Describe.

  The probability that a college student is in the normal

the probability that a college student is in the normal weight range for hisher height is 0.86. if 20 students are

  Ann is waiting in line at the dmv her waiting time is

ann is waiting in line at the dmv. her waiting time is described by the random variable x in minutes with the following

  Difference between the mean wage levels

If a difference exists in the means, wage adjustments must be made to bring the lower wages up to the level of the higher ones. Given the sample data on hourly pay below, what adjustments are called for?

  Considerable variability in the data

1. Our hypothesis test is testing to see if there is a difference in the population mean between two groups. The data for each group has considerable variability. Given that there is considerable variability in the data for the two groups ________..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd