Confidence interval for the population mean

Assignment Help Basic Statistics
Reference no: EM131372573

A new low-calorie pizza introduced by Pizza Hut has an average of 150 calories per slice.

If this number is based on a random sample of 100 slices, and the population standard deviation is 30 calories, give a 90% confidence interval for the population mean.

Reference no: EM131372573

Questions Cloud

What are the main ethics rules of the profession : CS204:Defining and understanding the elements of a group culture is essential to forging a professional identity either online or in person. These elements are important because they reflect how professionals interact, whether online or in person.
Generate and plot a trajectory for oscillating system : Assignment: Stochastic Simulation. Use your ODE and SSA codes to generate and plot a trajectory for the following oscillating system shown in Figure 1 with the initial conditions: g (gene) = 1; m (mRNA) = 10; p (protein) = 1000; p2 (protein dimer)..
Describe the steps of the advertising planning process : List and describe the steps of the advertising planning process. Assume you awarded a fixed-price contract and the supplier came to you halfway through the project and requested additional funding. How would you respond to this situation? What are so..
Identifying the appropriate number of employees : Identifying the appropriate number of employees that can be managed by any one supervisor which method (inductive or deductive) is the best way to deliver bad-news.
Confidence interval for the population mean : If this number is based on a random sample of 100 slices, and the population standard deviation is 30 calories, give a 90% confidence interval for the population mean.
Confidence interval for average population percentage : "Small-fry" funds trade at an average of 20% discount to net asset value. If σ = 8% and n = 36, give the 95% confidence interval for average population percentage.
How large a sample is required to produce an interval : Suppose you have a confidence interval based on a sample of size n.- Using the same level of confidence, how large a sample is required to produce an interval of one-half the width?
The proper choice of delivery system enables : What is your position regarding the following statement? Why? “The proper choice of a delivery system enables an Owner to better allocate risk among all project stakeholders, while the proper choice of contract type enables an Owner to better allocat..
How wide would a confidence interval be : The width of a 95% confidence interval for µ is 10 units.- If everything else stays the same, how wide would a 90% confidence interval be for µ?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Estimate the protection of retired voters

The country clerk wants to estimate the protection of retired voters who will need special election facilities. suppose a sample of 400 retired voters was taken. If 150 special election facilities, calculate an 80% confidence for the population pr..

  Probability-dotties tax service

Dotties Tax Service specializes in federal tax returns for professional clients, such as physicians, dentists, accountants, and lawyers.

  Explore airquality dataset available in the datasets library

Explore the airquality dataset available in the datasets library in the ISwR package. a)Display the first 6 rows of the airquality dataset - Create a boxplot which shows the distribution of Ozone in each month.Use different colors for each month.

  Compare your bar graph with the graph of the cauchy density

Write a program to illustrate this result by plotting a bar graph of 1000 samples obtained by forming the ratio of two standard normal outcomes.

  What regional patterns mark off the 50 states

How different are the rates of violent crime and rates of crime against property across the 50 states? How are the rates of crime related to spending on criminal justice?

  The wolf pack needs to kill 3 large animals in order to

a wildlife study has found that a wolf pack is successful in killing one large animal for every 12 that it chases.a

  Complete the run with the times between 50 and 70 minutes

What is the chance that finishers complete the run with the times between 50 and 70 minutes?

  Seventy percent of the bicycles sold by a certain store

seventy percent of the bicycles sold by a certain store are mountain bikes. among 100 randomly selected bike purchases

  Find risk of allergies for the children of smokers

Suppose that the risk of allergies for the children of nonsmokers is 0.15. What is the risk of allergies for the children of smokers?

  An analyst is testing a two tail hypothesis to determine if

an analyst is testing a two tail hypothesis to determine if the mean housing loan has changed from last years value of

  Effects of the price partitions

We don't actually need further calculations to compare the effects of the price partitions within regions; everything we need is in Table 1 and Table 2. Using those tables, identify a statis- tically significant difference among the means in the N..

  Question on normal random variable

Assume that stock is currently selling for $100. The change in the stock's price throughout the nest year follows a normal random variable with a mean of $10 and a standard deviation of $20.

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