Confidence interval for the population mean

Assignment Help Basic Statistics
Reference no: EM132581479

An admissions director wants to estimate the mean age of all students enrolled at a college. The estimate must be within 1 year of the population mean. Assume the population of ages is normally distributed. Determine the minimum required sample size to construct a 99% confidence interval for the population mean. Assume the population standard deviation is 1.2 years.

Reference no: EM132581479

Questions Cloud

How many fewer months would take to repay the debt : How many fewer months would it take to repay the debt if the counselor makes monthly payments of $200? (Round your answer to the nearest month.)
What is the probability that none of the 20 new microwaves : What is the probability that none of the 20 new microwaves sold will require a warranty repair in the first 90 days?
Discuss the topic driving the change : There are common change processes that face most organizations. Some of the changes affect the processes of doing business and some of the changes affect.
Make PB income statement for the year ended December : Make PB's income statement for the year ended 31 December 2016. Use the single-step format, with all revenues and all expenses listed together.
Confidence interval for the population mean : Determine the minimum required sample size to construct a 99% confidence interval for the population mean.
Analyse a business leader that you admire : Analyse a business leader that you admire because of their communication skills. Note; it's not all about how much money they make
Average annual salary for a marketer : Test the hypothesis at a = 0.10 that the average annual salary for a marketer is less than RM79,500.
What is the rationale presented for the change : Consider an organizational change that you are familiar with. Provide an evaluation of the change initiative, and then respond to the following questions.
How to prepare the necessary entry to record the transaction : Prepare the necessary entries to record the transactions related to intangibles. All costs incurred were for cash. (Record entries in the order displayed)

Reviews

Write a Review

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

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

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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