Explain whether the width of a confidence interval would increase, decrease, or remain the same as a
Question:
a. The sample size is doubled, from 400 to 800.
b. The population size is doubled, from 25 million to 50 million.
c. The level of confidence is lowered from 95% to 90%.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 73% (15 reviews)
a Decrease the sample size is in the denominator of the standard error so ...View the full answer
Answered By
Gabriela Rosalía Castro
I have worked with very different types of students, from little kids to bussines men and women. I have thaught at universities, schools, but mostly in private sessions for specialized purpuses. Sometimes I tutored kids that needed help with their classes at school, some others were high school or college students that needed to prepare for an exam to study abroud. Currently I'm teaching bussiness English for people in bussiness positions that want to improve their skills, and preparing and ex-student to pass a standarized test to study in the UK.
5.00+
1+ Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Statistics questions
-
The mean and standard deviation of a random sample of n measurements are equal to 33.9 and 3.3, respectively. a. Find a 95% confidence interval for if n = 100. b. Find a 95% confidence interval for ...
-
Explain the various alternatives for decreasing the width of a confidence interval. Which is the best alternative?
-
Briefly explain how the width of a confidence interval decreases with an increase in the sample size. Give an example.
-
Canton Company makes two types of cell phones. Handy is a thin, pocket-size cell phone that is easy to carry around. Action is a palm-size phone convenient to hold while the user is talking. During...
-
What is the objective of a consumer premium offer, and when is the best time to implement such an offer?
-
The records of Meehan Company show the following at December 31, 2016: Requirements 1. Compute the missing amount for Meehan Company. You will need to determine Retained Earnings, December 31, 2016,...
-
One year ago, you sold a put option on 100,000 euros with an expiration date of 1 year. You received a premium on the put option of \($.04\) per unit. The exercise price was \($1.22.\) Assume that 1...
-
Mountain View Manufacturing Co. maintains the following accounts in the general ledger: Materials, Work in Process, Factory Overhead, and Accounts Payable. On July 1, the materials account had a...
-
In the diagram below, congruent figures 1, 2, and 3 are drawn. B F B 2 E D' D E F D 3 A C B Which sequence of transformations maps figure 1 onto figure 2 and then figure 2 onto figure 3? (I) a...
-
Transworld Moving has been hired to move the office furniture and equipment of Cohen Properties to their new headquarters. What route do you recommend? The network of roads is shown inFigure. New...
-
Use the Empirical Rule to specify what level of confidence would accompany each of the following confidence intervals. a. Sample proportion 1(SEP) b. Sample proportion 2(SEP) c. Sample proportion ...
-
You are going to use the methods discussed in this chapter to estimate the proportion of all cars in your area that are red. Stand on a busy street and count cars as they pass by. Count 100 cars and...
-
In which lines of the code for RB-DELETE-FIXUP might we examine or modify the sentinel T.nil?
-
What are health care database systems? How can you describe how databases are used across the health care industry? How can you explain the different database architectures, including the relational...
-
How does the average power due to the tension for the time interval from 0 to = 8 s compare to its instantaneous power at t = 8 s?
-
Why spices are in demand in Canada and What is the annual consumption of spices in Canada?
-
What is the intensity level in decibels for a sound with an intensity of 8.10x107 W/m? (do not enter units) Submit Answer Tries 0/10 What is the intensity for a sound with an intensity level of 81.7...
-
Why would a company want to centralize any activity at their headquarters? Identify and discuss the four criteria that make market segments effective targets.
-
Would you expect the natural rate of unemployment to remain the same within one country over the long run of several decades?
-
Design a circuit which negative the content of any register and store it in the same register.
-
Assume that you have half your money invested in Times Mirror, the media company, and the other half invested in Unilever, the consumer product giant. The expected returns and standard deviations on...
-
x1 = 20, s1 = 4, n1 = 30, x2 = 18, s2 = 5, n2 = 40 a. Right-tailed test, = 0.05 b. 90% confidence interval We have provided summary statistics for independent simple random samples from two...
-
The Federal Bureau of Prisons publishes data in Prison Statistics on the times served by prisoners released from federal institutions for the first time. Independent random samples of released...
-
Discuss the basic strategy for performing a hypothesis test to compare the means of two populations, based on independent samples
-
Larry's Woodworks has collected the following data for its cutting board line of products: Direct materials standard Direct materials standard cost Actual Direct Materials Used (AQU) Actual finished...
-
DIF MOH HCM 416 Use the information for St. Vincent's Hospital. Assume the hospital uses salary dollars as the costs driver for general administration and employee benefits, and space utilization as...
-
Create an Excel spreadsheet to solve the following problems. 1. Daniel deposited a lump sum 10 years ago, earned 3% interest compounded monthly and now has $40,000. How much did he invest? a. The NBC...
Study smarter with the SolutionInn App