Confidence interval about population mean

Assignment Help Basic Statistics

Reference no: EM13106078

The number of hours that a network server was down each month of the previous year is: 4, 4, 5, 1, 5, 1, 1, 2, 1, 2, 1, 2. Place a 95% confidence interval about the population mean number of down hours per month.

My thoughts:

mean = 29 / 12 = 2.4167

mean + Z(0.025) * s/sqrt(n)

mean - Z(0.025) * s/sqrt(n)

Reference no: EM13106078

Questions Cloud

Examine influence of product life cycle on marketing : Examine the influence of product life cycle on marketing. Recognize the suitable price strategy which must be used in development of strategic marketing plan.

Normal distribution-confidence interval problems : An upper-level sociology class at a large urban university has 120 students, including 34 seniors, 57 juniors, 22 sophomores and 7 freshmen.

What is the mean free path : The mean free path of a molecule in a gas is 280 nm. What is the mean free path if the gas temperature is tripled at constant volume?What is the mean free path if the gas temperature is tripled at constant pressure?

What is maximum height of cannonball relative to ground : A cannonball sits on top of a 10 meter cliff and is fired at a 10 degree angle with an initial velocity of 50 m/s. What is the maximum height of the cannonball relative to the ground? At maximum height what is the magnitude of the velocity? How lo..

Confidence interval about population mean : Place a 95% confidence interval about the population mean number of down hours per month.

What would the time constant be : A circuit contains a resistor in series with a capacitor, the series combination being connected across the terminals of a battery. The time constant for charging the capacitor is 5.6 s when the resistor has a resistance of 2.0 x 104 ? What would ..

Creation-consequence situations of subordinate group in us : Write down a fictional, first-person account of creation and consequence situations of subordinate group in United States in form of 700-to 1,050-word journal entry.

Develop 95 percent confidence interval for average price : The Minneapolis Star Tribune newspaper has decided to write an article about gasoline prices in the Twin Cities area (Minneapolis and St. Paul).

An ethical analysis of issues : You are required to undertake an ethical analysis of issues associated with copyright infringement in a community and/or business context.

User Account

All Pages