Describe the sampling distribution

Assignment Help Basic Statistics

Reference no: EM131416758

For each of the following, if the scenario fits the conditions for the approximate normality of the sampling distribution for a sample proportion, describe the sampling distribution of P^{^} and draw a picture of it. If the scenario doesn't fit, explain why not (in which case you do not have the tools to describe the sampling distribution of P^{^}).

a. An auto insurance company has 1500 customers in a city, and over the long run, 6% of them will file a claim in any given year. Define P^{^} to be the proportion who file a claim in the next year.

b. A dean has found that over the years, about 15% of students who begin their college work in her program do not finish. This year, 90 students will begin her program; define P^{^}to be the proportion who will finish.

c. An essay contest has three winners, but the number of entrants varies each time that it is offered, so the proportion of entrants who are winners also varies. Define P^{^}to be the proportion of entrants who will be winners the next time that the contest is offered.

Reference no: EM131416758

Questions Cloud

Compute economic order quantity : Appliance for less is a local appliance store. It costs this store $17.19 per unit annually for storage, insurance, etc. Calculate Economic Order Quantity.

Identify competitors from divisions and product lines : Identify competitors from divisions and product lines and markets. Identify and compare the strengths and weaknesses of your company and your competitors

Determine what is the current price of the bond : Black Water Corp. just issued zero-coupon bonds with a par value of $1,000. The bond has a maturity of 27 years and a yield to maturity of 9.16 percent, compounded annually. What is the current price of the bond?

Compute the relative frequencies in each category : One university, language professors incorporated a 10-week extensive reading program to improve students' Japanese reading comprehension. The professors collected 275 books originally written for Japanese children and required their students to re..

Describe the sampling distribution : A dean has found that over the years, about 15% of students who begin their college work in her program do not finish. This year, 90 students will begin her program; define P^ to be the proportion who will finish.

Find what is after-tax cost of capital for debt financing : The net proceeds (proceeds after flotation costs) are $980 for each $1,000 bond. The Firm's marginal tax rate is 30%. What is the after-tax cost of capital for this debt financing?

What are the possible legitimate reasons : What are the possible legitimate reasons for which an employee can challenge a wrongful termination? In what situations does a terminated employee have no recourse.

What proportion of light bulbs : Suppose that the lifetimes of light bulbs are approximately normally distributed, with a mean of 56 hours and a standard deviation of 3.3 hours. With this information, answer the following questions. (a) What proportion of light bulbs will last mo..

What has made conexia successful so far : The two from the Case Study itself: What has made Conexia successful so far? How will the U.S market be different from what Conexia has seen in Argentina

User Account

All Pages