Derive a confidence interval of the population variance

Reference no: EM131807419

Question: In order to derive a confidence interval of the population variance, a random sample of n observations is drawn from a normal population. Use this information to find χ²α/2,df and χ²1 - α/2,df under the following scenarios.

a. A 95% confidence level with n = 18.

b. A 95% confidence level with n = 30.

c. A 99% confidence level with n = 18.

d. A 99% confidence level with n = 30.

Reference no: EM131807419

Questions Cloud

Discuss what will your capital gain be on stock : You require a 12 percent rate of return and the annual dividend increases at 3.5 percent annually. What will your capital gain be on this stock

Determine how theta should account for its contractual lease : Read the lease agreement and to determine whether this agreement should be treated as a lease for accounting purposes.

Determine the investment pw if interest is 12% : The initial investment is $150,000. Manufacturing and selling the soap will cost $7350 per year. Determine the investment's PW if interest is 12%.

What is the press present worth at an interest : After 6 years, the press can be sold for $500. What is the press' present worth at an interest rate of 12%?

Derive a confidence interval of the population variance : In order to derive a confidence interval of the population variance, a random sample of n observations is drawn from a normal population.

Compute basic earnings per share for 2015 : Compute basic earnings per share for 2015, Compute diluted earnings per share for 2015

Alaskan subsidiary to another company : More Tech Drilling is considering the sale of its Alaskan subsidiary to another company. The subsidiary is expected to produce profits of $800,000 next year

What is the present worth of the entire : What is the present worth of the entire 30 years of service if the interest rate is 10%?

What legislation do you need to be aware of and why : When you are selecting suppliers what legislation do you need to be aware of and why?

Reviews

Write a Review

Required(*) Message

Basic Statistics Questions & Answers

Statistics-probability assignment

MATH1550H: Assignment: Question: A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

What is the least number

MATH1550H: Assignment: Question: what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

Determine the value of k

MATH1550H: Assignment: Question: Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

Binomial distributions

MATH1550H: Assignment: Questions: Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

Estimate the population mean

Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

Find out the probability

Linear programming models

LINEAR PROGRAMMING MODELS

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

User Account

All Pages