Simple random sample of items from population

Assignment Help Business Economics

Reference no: EM131104356

A simple random sample of 60 items from a population with = 9 resulted in a sample mean of 33. If required, round your answers to two decimal places.

a. Provide a 90% confidence interval for the population mean.____ to ___

b. Provide a 95% confidence interval for the population mean.___ to ____

c. Provide a 99% confidence interval for the population mean. ___to___

Reference no: EM131104356

Questions Cloud

What is the optimal level of particulate reduction : Every 1 percent reduction in the level of particulates in the air costs $200,000. Low-income residents in a region have a demand for particular reduction of R=10-p (R is the level of particulate reduction and P is the price per 1 percent reduction). ..

Assess whether an externality is present : For each scenario, assess whether an externality is present.

Policy improve the fed control of the money supply : Milton Friedman believed that the Fed should control the money precisely. In the 1960s, he proposed that the required reserve ratio be raised to 100 percent. How would this policy improve the Fed control of the money supply?

According to coase theorem-transactions costs are low : According to the Coase Theorem, if transactions costs are low then a private market (that is, an unregulated market) is efficient.

Simple random sample of items from population : A simple random sample of 60 items from a population with = 9 resulted in a sample mean of 33.

What would happen to the bonds value if inflation fell : What would happen to the bonds' value if inflation fell, and rd declined to 7 percent? Would we now have a premium or a discount bond?

Draw the extensive form of the game : Consider the following game. Player 1 is either "Friendly" (with probability 2/3) or "Mean" (with probability 1/3), and decides to Smile or Not Smile. A Friendly type has no cost of smiling, but a Mean type has a cost of 4. draw the extensive form of..

Prepare an income statement : Prepare an income statement and a statement of retained earnings for the year ending December 31, 2005, and a balance sheet at December 31.

Confidence interval estimate of mean amount spent per day : A survey conducted by the American Automobile Association showed that a family of four spends an average of $215.60 per day while on vacation. Suppose a sample of 64 families of four vacationing at Niagara Falls resulted in a sample mean of $252.45 p..

User Account

All Pages