Confidence interval for the mean-price

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?

User Account

All Pages