Question: Construct a 99% confidence interval for the population mean. Its in the population of the normal distribution. A group of 19 randomly select employees as

Construct a 99% confidence interval for the population mean. It’s in the population of the normal distribution. A group of 19 randomly select employees as a mean age of 22.4 years of the Stan deviation of 3.8 years. Round to the nearest 10th.

Step by Step Solution

★★★★★

3.46 Rating (159 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

A personnel manager has found that historically the scores on aptitude tests given to applicants for entry level positions follow a normal distribution with a standard deviation of 32.4 points. A...

In a large university, the following are the ages of 20 randomly chosen employees: Assuming that the data came from a normal population, construct a 95% confidence interval for the population mean ...

The home run percentage is the number of home runs per 100 times at bat. A random sample of 43 professional baseball players gave the following data for home run percentages: (a) Use a calculator...

The balance sheet data for Alans Lightworks, Corp., at August 31, 2012, and September 30, 2012, follow: Requirement 1. The following are three independent assumptions about the business during...

The Oregon Department of Fish and Wildlife (OFW) issued regulations that commercial crab catchers need permits from OFW, as it would limit when crabbing could occur and how many crabs could be...

The catapulting mechanism is used to propel slider A of mass M to the right along the smooth track. The propelling action is obtained by drawing the pulley attached to rod BC rapidly to the left by...

Why is the work of La Mettrie important to the development of scientific psychology?

Assume a federal agency has the following events: 1. Receives a warrant from the Treasury notifying the agency of appropriations of $2,400,000. 2. OMB apportions one-fourth of the appropriation for...

I saw a commercial on TV last night in which a local car dealer was trying to attract customers by offering them a "Tires for Life" program. The way it works is if you buy a car from the dealership,...

You are to develop a simple Binary Search Tree ADT and run it against a test program. Avoid the temptation of finding code online. I am aware of all the available solutions and will be looking...

11 pts INCOME STATEMENT Sales/Revenue COGS excluding D&A Depreciation & Amortization Expense Gross Income EBIT SG&A Expense Unusual Expense Interest Expense Pretax Income Income Tax - Current...

Per the TAR Purchase and Sales Agreement, there is a period of time after the inspection period in which the parties can agree to any repairs. What is this period of time referred to as? Unset...

Researchers are interested in whether there is a difference between the number of brothers and number of sisters for graduate students. So they randomly selected 20 graduate students and asked each...

how would you compare the results between the lease assets vs total assets and the lease liabilities vs total liabilities visualization? finance lease assets are higher than finane lease liabilities...

You are an accounting associate assisting a compliance officer of a large private company. The compliance officer recently investigated concerns about accounting irregularities in journal entries...

A Pharmacy has four counter to serve Blood pressure test for customer. Customers arrive according to a Poisson distribution at the rate of 1 every 10 minutes. However, only 85% seek service at the...

ACME has EPS of $20.00 per share. It has a retention ratio of 80% and its dividend is expected to grow at a rate of 10%. If the ACME shareholders require a return of 15%, then the stock price is...

Suppose the market is semistrong form efficient. Can you expect to earn excess returns if you make trades based on? a. Your brokers information about record earnings for a stock? b. Rumors about a...

For a particular car, when the brake is applied at 62 mph, the following data give stopping distance (in feet) for 10 random trials on a dry surface. (a) Can we say that the data are approximately...

The probability function of a random variable Y is given by p(i) = ci / i!, i = 0, 1, 2, .. ., where is a known positive value and c is a constant. (a) Find c. (b) Find P (Y = 0). (c) Find P (Y > 2).

A process for making steel pipe is under control if the diameter of the pipe has mean 3.0 in. with standard deviation of no more than 0.0250 in. To check whether the process is under control, a...

In 1990, Business Week magazine compiled financial data on the 1,000 companies that had the biggest impact on the U.S. economy. Data from this compilation were presented in Problem 13 of Chapter 8....

Radial keratotomy is a type of refractive surgery in which radial incisions are made in the cornea of myopic (nearsighted) patients in an effort to reduce their myopia. Theoretically, the incisions...

In an analysis of daily soil evaporation (EVAP), Freund (1979) identified the following predictor variables: MAXAT = Maximum daily air temperature MINAT = Minimum daily air temperature AVAT =...