Describe the sampling distribution model of sample mean

Assignment Help Basic Statistics

Reference no: EM131419699

Rainfall. Statistics from Cornell's Northeast Regional Climate Center indicate that Ithaca, NY, gets an average of 35.4" of rain each year, with a standard deviation of 4.2". Assume that a Normal model applies.

a) During what percentage of years does Ithaca get more than 40" of rain?

b) Less than how much rain falls in the driest 20% of all years?

c) A Cornell University student is in Ithaca for 4 years. Let represent the mean amount of rain for those 4 years. Describe the sampling distribution model of this sample mean, y.

d) What's the probability that those 4 years average less than 30" of rain?

Reference no: EM131419699

Questions Cloud

Stock using the dividend growth model : Compute the current value of this stock using the dividend growth model. Now assume that the dividend is increased to $2.70 and the required return increase to 20%. What is the value now?

Explain why given is not surprising : The cities on both lists were all smaller than the 10 largest cities. Using facts about the sampling distribution model of the mean, explain why this is not surprising.

Efficient operation of an international business : "Some of the financial techniques and strategies are necessary for the efficient operation of an international business. Problems inherent to these firms include multiple currencies, differing legal and political environments, differing economic a..

Describe the criteria that you as the leader will use : Develop a set of screening questions and criteria that you, as the group leader, will use to choose the members of the group. Begin with demographics questions (name, age, address, presenting issue, etc.) There should be a minimum of 10 screening ..

Describe the sampling distribution model of sample mean : A Cornell University student is in Ithaca for 4 years. Let represent the mean amount of rain for those 4 years. Describe the sampling distribution model of this sample mean,y.

Calculate the weighted average cost of capital : The M&M Company is financed by $4 million (market value) in debt and $6 million (market value) in equity. The cost of debt is 5% and the cost of equity is 10%. Calculate the weighted average cost of capital. (Assume no taxes.)

How information and it have changed your daily life : Post your insights about how information and information technology have changed your daily life, both professionally and personally. Focus on the technologies that have helped you increase your effectiveness at work and in business.

Levered at a debt-equity ratio : A firm is unlevered and has a cost of equity capital of 9%. What is the cost of equity if the firm becomes levered at a debt-equity ratio of 2? The expected cost of debt is 7%. (Assume no taxes.)

What are the sales and use tax laws in state : Each state deals with Sales and Use Tax individually. In other words there is not a federal Sales and Use Tax. This creates some interesting issues since the majority of sales transactions are done across state lines.

User Account

All Pages