User Account

All Pages

Compute the average lengths of all pins produced

Assignment Help Basic Statistics
Reference no: EM131694315

Question: The lengths of pins produced by an automatic lathe are normally distributed. A random sample of 20 pins gives a sample mean of 0.992 inch and a sample standard deviation of 0.013 inch.

a. Give a 95% confidence interval for the average lengths of all pins produced.

b. Give a 99% confidence interval for the average lengths of all pins produced.

Reference no: EM131694315

Questions Cloud

What is the minimum sample size : An estimate of the percentage defective in a lot of pins supplied by a vendor is desired to within 1% with a 90% confidence level.
Sliding friction and air resistance : If sliding friction and air resistance (drag) is 99.5 N, find the acceleration of the sled. In addition, how much force does the football player need
Describe the key industry success factors : Describe the key industry success factors. Go beyond the surface description and be sure to provide evidence wherever possible. Keep this at the industry level.
Create a common identity among the colonists : The idea that state power denied liberty, that a ruler's power should be limited, and the people should play a role in their government is called
Compute the average lengths of all pins produced : The lengths of pins produced by an automatic lathe are normally distributed. A random sample of 20 pins gives a sample mean of 0.992 inch and a sample standard.
Friction between the block and the surface : The force of friction between the block and the surface has a magnitude of 15 N as shown. Calculate:
What was alpines corp. operating cash flow for the year : If the firm was subject to an average tax rate of 40%, what was Alpine's Corp. operating cash flow for the year? If you need to, assume Alpine's interest expen
Confidence interval for percentage defective in the lot : You take a random sample of 100 pins from the lot supplied by the vendor and test them. You find 8 of them defective.
Discuss how the power of the president is perceived : Discuss how the power of the president is perceived by the public as compared to how the power is actually used

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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