User Account

All Pages

Estimate of the population mean amount spent

Assignment Help Basic Statistics
Reference no: EM131555595

A restaurant wants to estimate the average charge per couple for dinner. A random sample of 40 couples is selected and the sample mean amount is $78.25. Assume that the population standard deviation amount is $22.50. Construct and explain a 95% confidence interval estimate of the population mean amount spent per couple for dinner.

Reference no: EM131555595

Questions Cloud

Describe how nonverbal feedback conveys powerful messages : Describe how nonverbal feedback conveys powerful messages. Provide an example where nonverbal feedback was used and describe the end result.
Real interest rates be equalized across countries : Now suppose that capital is allowed to move across countries. Under what conditions would real interest rates be equalized across countries?
Describe the evolution of the virtual organization : Describe the evolution of the virtual organization. What are the pros and cons associated with this design?
Why did the fed feel need to keep credit markets functioning : Why did the Fed feel the need to keep credit markets functioning? Why did Fed's actions make it uncomfortable? What is your opinion of wisdom of Fed's actions?
Estimate of the population mean amount spent : Construct and explain a 95% confidence interval estimate of the population mean amount spent per couple for dinner.
Classify the nature of the origin as an attractor : Make a change of variable that decouples the equation x' = Ax. Write the equation x (t) = Py (t) and show the calculation that leads to the uncoupled system.
Expected return of the minimum risk portfolio constructed : What is the expected return of the minimum risk portfolio constructed from the Growth & Income funds?
Determining the value of the test statistic : Find the null hypothesis, the alternative hypothesis, the type of test statistic, the value of the test statistic, and the p-value
Define the function of the hcos board : Define the function of the HCO's board. Explain its independence from the organization and its oversight responsibilities.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Would it be legitimate to discard the outlier

In the relationship between square footage and asking price, which is the response variable (y) and which is the explanatory (x) variable?

  Probability of occurring a letter in a word

The letters of the word PRESERVE are arranged at random. Then what is the probability that all the 3 E's occur together??

  Probability that one paper will eventually be accepted

Suppose the author plans to continue submitting papers to the journal indefinitely until one is accepted. What is the probability that at least one paper will eventually be accepted by the journal?

  Find probability of only 2 or 3 or 4 appear on both dice

Two six-sided (balanced) dice are thrown. Find the probabilities of only 2, 3, or 4 appear on both dice; - the value of the second roll subtracted from the value of the first roll is 2;

  Test an appropriate hypothesis and state the conclusion

Test an appropriate hypothesis and state your conclusion.- If you concluded there was a difference, estimate that difference with a confidence interval and interpret your interval in context.

  Paired-samples t-test

The Stroop task is when color words are printed in the wrong color; for example, the word red might be printed in the color blue.

  Evidence that sample proportion of defective lenses is diffe

Conduct a hypothesis test to determine whether there is any evidence that the sample proportion of defective lenses is different for Process A and Process B. Use a = 0.05.

  How has graphical display of data changed in last year

What is the probability of selling your home for the median price in your city (My zip code is 91730 Alta Loma). How has the graphical display of data changed in the last 10 years? How will it change in the next 10 years?

  Test hypotheses statements

A United Nations report shows the mean family income for Mexican migrants to the U.S.. is $27,000 per year. A FLOC evaluation of a sample 25 Mexican families units reveals a mean to be $30,000 with a sample standard deviation of $10,000.

  Divide the class into three teams

Divide the class into three teams. Each team will access various search engines for information on Terry Childs, who was the network administrator for the City of San Francisco, California. One team will act as the prosecution and will present the..

  Find age distribution of adult shoplifters in supermarkets

What is the age distribution of adult shoplifters (21 years of age or older) in supermarkets? The following is based on information taken from the National Retail Federation.

  In a tire factor the quality control inspector examines a

in a tire factor the quality control inspector examines a randomly chosen sample of 15 tires. when more than one

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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