Determine the sampling error if probability is given

Reference no: EM13121559

It is known that the variance of a population equals 484. A random sample of 81 observations is going to be taken from the population.

(a) With a .80 probability, what is the sampling error?

(b) With a .80 probability, how large of a sample would have to be taken to provide a sampling error of 3 or less?

Reference no: EM13121559

Questions Cloud

Reflection on arnolds schedule : During the current year, ALF Partnership reported the following items of receipts and expenditures: $200,000 sales, $10,000 utilities, $12,000 rent, $50,000 salaries to employees, $30,000 guaranteed payment to partner Lloyd, investment interest in..

Illustrate what amount would be recorded as leased equipment : Alpine's incremental borrowing note was 6%. Assuming the lease qualifies as a capital lease, illustrate what amount would be recorded as leased equipment under capital leases on January 1, 2010?

Setting up inequalities : Suppose wheat and sugar are two basic ingredients necessary to bake two items: a loaf of bread and a muffin. A baker has 25 pounds of wheat and 5 pounds of sugar.

Which of the following reactions would be endergonic : Which of the following reactions would be endergonic?

Determine the sampling error if probability is given : It is known that the variance of a population equals 484. A random sample of 81 observations is going to be taken from the population. With a .80 probability, what is the sampling error?

Electric car : Electric car is just a newborn thing that needs to be for a long time wait for people to accept and approval. And the price of this type car is a kind of expensive than may others car even tough normal cars have better configuration or quality. "Ther..

The stanley lynch investment group : Stanley Lynch Investment GroupQuestions: 1. Give an example of differentiation in Stanley Lynch's orga-nization structure and an example of integration in this structure.2. What role did authority play in the adoption of the wiki by the IT divisi..

Solve and graph compound inequality : Solve each compound inequality. State the solution set using interval notation and graph it.

Illustrate what is the amount of current portion of lease : Using a 10 percent cost of capital, Smith capitalized the lease on January 1, 2007, in the amount of $125,096. Illustrate what is the amount of current portion of the lease liability Smith should report on the December 31, 2007, balance sheet?

User Account

All Pages