Confidence interval for the mean-price

Assignment Help Basic Statistics
Reference no: EM13103317

A random sample of 20 prices for summer sleeping bags was taken with a sample mean of $83.75 and a sample standard deviation of $29.97.

a) Find a 95% confidence interval for the mean price of all summer sleeping bags.

b) What is the margin error?

Reference no: EM13103317

Questions Cloud

What is its displacement during the time interval : An object moves with constant acceleration 4.80 m/s2 and over a time interval reaches a final velocity of 12.6 m/s.
Findout total contribution to profit if the company produce : Find out the total contribution to profit if the company produces a combination of cases of Brand X and Brand Y that lies on the purple objective function (profit line) as it is plotted on the attached Graph 1.
Model the tree as straight, rigid rod : How fast is the top of the tree moving (in m/s) just before it hits the ground? Model the tree as straight, rigid rod, and ignore friction and air resistance.
Variety of habits that an individual can assess : There are a variety of habits that an individual can assess the compatibility between themselves and a therapist who they are considering entering in to a therapeutic relationship with.
Confidence interval for the mean-price : Find a 95% confidence interval for the mean price of all summer sleeping bags.
Explain which models you used to make the forecasts : Justify your results and explain which models you used to make the forecasts. Submit your answers in a two- to three-page Microsoft Word document and a Microsoft Excel sheet.
How fast is the top of the tree moving : A dead tree is initially stationary and there is a 30.0-degree angle between the tree and the vertical. The roots finally give way and the tree topples to the ground (rotating on an axis that is parallel to the level ground and intersecting the ba..
Explain how many pool cues must be sold to break even : explain how many pool cues must be sold to break even? Illustrate what would the total revenue be at this breakeven point?
Connection between harassment as well as discrimination : Is it a good idea to sever the connection between harassment as well as discrimination? Why or why not? Would it be conceivable to achieve?

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!

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