What is the confidence interval

Assignment Help Basic Statistics
Reference no: EM131398364

1. Assuming random sampling is from a normal distribution with standard deviation σ = 5, if you get a sample mean of X‾ = 45 based on n = 25 subjects, what is the .95 confidence interval for µ?

2. Repeat the previous example, but compute a .99 confidence interval instead.

Reference no: EM131398364

Questions Cloud

Evaluate signals and systems using the z-transform : ECE471 LAB - Use the function freqz to plot the phase and magnitude of the above system. Comment on the type of system it is and draw conclusions as to its potential usage.
Most important in defining and understanding diversity : How does topography impact or is recognized as a force for an organization? what principles are the most important in defining and understanding diversity? which dimensions of the business case for diversity are the most persuasive? why? what are the..
Find a local healthcare organization that treating patients : A customer relationship model attempts to enhance the relationship between the organization and the customer. The goal is to improve customer loyalty while identifying any potential opportunities.In this week's assignment, please find a local healt..
How was milgram study ethically questionable : What do you think? How was Milgram's study ethically questionable? What would a defender of Milgram's important findings have to say about these ethical criticisms? Click Reply to this post to join the discussion about Milgram
What is the confidence interval : Assuming random sampling is from a normal distribution with standard deviation σ = 5, if you get a sample mean of X‾ = 45 based on n = 25 subjects, what is the .95 confidence interval for µ?
Discuss managing an implementation organization : "Discuss managing an implementation organization. What competencies underpin successful management in implementing organizations?"
Goal of most organizations today : Explain what is meant by the triple bottom line and how it is relevant to a responsible business. Managing the Triple Bottom Line is the goal of most organizations today.  This means.
Compute a confidence interval for the mean : Compute a .95 confidence interval for the mean in the following situations: (a) n = 12, σ = 22, X‾= 65, (b) n = 22, σ = 10, X‾= 185, (c) n = 50, σ = 30, X‾ = 19.
How can people prepare for certification : Detailed course objectives, training guides, sample test questions, chat rooms, and discussion groups often are included. Individuals also set up Web sites to offer their own views and tips on the testing process.

Reviews

Write a Review

 

Basic Statistics Questions & Answers

  A population of sunflower plants follows a normal

The amount of growth during a set 15-day period for a population of sunflower plants follows a normal distribution with μ=3.07 cm and σ=0.40 cm.

  Research division employing dependent or independent samples

One group is given the new drug and the other group is given the standard drug. Data are recorded on the effects of each drug. Is the research division using dependent or independent samples? Why?

  1there are two statistics classes the first has 250

1.there are two statistics classes. the first has 250 students and the second has 200 students. in the first class the

  The measurements of weight of 100 units of a product

the measurements of weight of 100 units of a product manufactured by two parallel processes have same mean but the

  Polynomial and rational functions

Create a set of data that can be modeled as a polynomial function. Please provide a reference to the data. Plot the data using Microsoft Excel including the equation for the fit.

  What is probability that child suffers from alpha sclerosis

If Bambam and Pebbles have a child, what is the probability that the child has both alpha sclerosis and beta dystrophy?

  The ceo of a software company is committed to expanding the

the ceo of a software company is committed to expanding the proportion of highly qualified women in the organizations

  Finding relationship between job pressure and age

At.01 significance level, is there relationship between job pressure and age?

  Determining concept of binomial distribution

A student is taking a multiple choice exam in which each question has four choices . Assume that the student has knowledge of a correct answer to any of the questions.

  What is the probability

There are two coins C1 and C2. C1 has a equal prior on a head (H=1) or tail (T=0) and the fate of C2 is dependent on C1. If C1 is a head, C2 will be a head with probability 0.7. If C1 is a tail, C2 will be a head with probability 0.5. C1 and C2 ar..

  Normal distribution

Nrmal distribution

  Relation to the outcomes

The frequencies of each of the combinations were used to calculate the probabilities that you see below in relation to the outcomes of drinks and snacks.

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