Solution-A compute the standard error of the mean in

The monthly incomes from a random sample of workers in a factory are shown below.

Monthly Income
(In $1,000)

4.0
5.0
7.0
4.0
6.0
6.0
7.0
9.0

a. Compute the standard error of the mean (in dollars).

b. Compute the margin of error (in dollars) at 95% confidence.

c. Compute a 95% confidence interval for the mean of the population. Assume the population has a normal distribution. Give your answer in dollars.

As a long-term investment painters equipment company : as a long-term investment painters equipment company purchased 20 of amc supplies inc.s 280000 shares for 336000 at the

At the main street theater the cashier located in a box : at the main street theater the cashier located in a box office at the entrance receives cash from customers and

Jason a single parent lives in an apartment with his three : 1. jason a single parent lives in an apartment with his three minor children whom he supports. jason earned 27400

Molina medical supply company is trying to decide whether : molina medical supply company is trying to decide whether or not to continue distributing hospital supplies. the

A compute the standard error of the mean in dollars b : the monthly incomes from a random sample of workers in a factory are shown below.monthly incomein

A company desires to replace its current plant equipment : a company desires to replace its current plant equipment with new equipment that costs 10000000. one possibility would

Superior gaming a computer enhancement company has three : 1.superior gaming a computer enhancement company has three product lines audio enhancers video enhancers and

A random sample of 81 students at a local university showed : a random sample of 81 students at a local university showed that they work an average of 60 hours per month with a

If an original mortgage of 80000 is still outstanding and : kareem bought a rental house in march 2008 for 300000 of which 50000 is allocated to land and 250000 to the building.