Confidence interval for the average amount of bonus dollars

Assignment Help Basic Statistics
Reference no: EM131372507

Citibank Visa gives its cardholders "bonus dollars," which may be spent in partial payment for gifts purchased with the Visa card. The company wants to estimate the average amount of bonus dollars that will be spent by a cardholder enrolled in the program during a year.

A trial run of the program with a random sample of 225 cardholders is carried out.

The results are x‾ = $259.60 and s = $52.00. Give a 95% confidence interval for the average amount of bonus dollars that will be spent by a cardholder during the year.

Reference no: EM131372507

Questions Cloud

What does human capital mean and why is important : A firm's human resources are the people in an organization that are crucial to its performance and the quality of work life within it. Unlike computers, human beings have the potential to grow and develop, to increase our depth, complexity and cap..
What were the effects of the detonation of nuclear device : The Soviet Union developed and tested the largest-ever nuclear weapon known as Tsar Bomba in October 1961. What were the effects of the detonation of this nuclear device? What is the probability of the use of this bomb in a military operation?
Add an invert filter that inverts each color : Add an invert filter that inverts each color. "Inverting" a color means replacing each color value x with 255 - x.
Determining the personal strategy safari : This should integrate ideas from week 2 with your own personal strategy safari - go out into the world and find strategy first hand, then tell the class about it! Find an example of a company that has recently been, or is likely to be, deeply impa..
Confidence interval for the average amount of bonus dollars : The results are x‾ = $259.60 and s = $52.00. Give a 95% confidence interval for the average amount of bonus dollars that will be spent by a cardholder during the year.
Describe the signs of person who is potential troublemaker : What kinds of changes can be made to contracts and procurement documents, and how should they be managed? Describe the early warning sides of conflict between team members. Describe the signs of a person who is a potential troublemaker. What ethical ..
Add a smooth filter that smoothes the image : You can easily obtain a copy of the image by creating a new OFImage with the original as the parameter to its constructor.
What due process rights are contained in the us constitution : What due process rights are contained in the US Constitution? Give examples. What is procedural due process and why does it exist?
Noble eightfold path and christianity : The most important of the Four Noble Truths is the fourth, the Noble Eightfold Path. Did anything in particular strike you about these "paths" (e.g., the idea of "right thoughts," that we should always try to act with pure motives)?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determine probability that pregnancy lies between days

Determine the probability that pregnancy will (a) last more than 300 days; (b) less than 240 days; (c) between 250 and 282 days.

  Simplifying rational expressions

Please show all steps to simplifying the rational expression.

  State the appropriate hypotheses in case

(a) State the appropriate hypotheses in this case, defining any parameters you use. (b) Somehow the p-value did not get printed. Use the Vassar applet to compute the p-value. (c) Carefully state your conclusions based on these data. Use a level of si..

  In a survey of undergraduate library usage it was found

in a survey of undergraduate library usage it was found that 76 of seniors 59 of juniors 50 of sophomores and 28 of

  A suitable layout that minimizes transportation costs

Eight work centers must be arranged in an L-shaped building. The locations of centers 1 and 3 are assigned as shown in the accompanying diagram.

  Confidence for the true variance of the product lengths

Lengths had a calculated sample standard deviation of 8 and mean of 9.4. Select the 95% confidence for the true variance of the product lengths. Use the appropriate table in the book.

  Computing test statistic and decision

Conduct the following test using 95% level of confidence.

  Calculate the probability of lot acceptance

A sample of 50 items is to be selected from a batch consisting of 5000 items. The batch will be accepted if the sample contains at most one defective item. Calculate the probability of lot acceptance for p = .01, .02,..., 10, and sketch the OC cur..

  Weight loss from diet

When 40 people used the Weight Watchers diet for one year, their weight losses had a standard deviation of 4.9 lb (based on data from "Comparision of the Atkins, Ornish, Weight Watchers, abd Zone Diets for Weight Loss and Heart Disease Reduction, ..

  There are 10 aaa batteries in a box and 3 are defective two

there are 10 aaa batteries in a box and 3 are defective. two batteries are selected without replacement. what is the

  Where should student seek help to be most effective

Student determines how many minutes it would take for each method of assistance and how many points it might gain for him on the final. The method and estimates follow. Where should student seek help to be most effective?

  It was determined that weight measurments for this group of

to determine if a new medication to lower blood pressure in adults would have the unpleasant side effect of weight gain

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd