Question: A random sample of 61 students was asked how much they spend for classroom textbooks this semester. The sample standard deviation was found to be

A random sample of 61 students was asked how much they spend for classroom textbooks this semester. The sample standard deviation was found to be s= $28.70. How many ore students should be included in the sample to be 99% confident that the sample mean amount spend for textbooks this semester is within $7.00 of the population mean amount spent for textbooks this semester at this college?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

It is a one sample test T- test , you need to make a questions based on diz image EXAMPLE QUESTIONS : A random sample of 22 students are asked how much they spend for a meal during weekdays only 17...

How much do students pay, on the average, for textbooks during the first semester of college? From a random sample of 400 students the mean cost was found to be $357.75, and the sample standard...

1.In a survey people are asked "Which brand of toothpaste do you prefer?" The data gathered from this question would be what type of data? A.categorical B.quantitative C.continuous 2.A student is...

1) A survey conducted to determine the textbook expenses states that fulltime students spend an average of $250 for textbooks each semester. The standard deviation of the amounts fulltime students...

EXCEL ASSIGNMENT P.S ( I need all these answers in excel with formula) Use the Excel data file Xr04-94: Increasing tuition has resulted in some students being saddled with large debts upon...

EXCEL ASSIGNMENT Increasing tuition has resulted in some students being saddled with large debts upon graduation. To examine this issue, a random sample of recent graduates was asked to report how...

Math 221A Exam 1: 1.You want to study how effective a particular... Math 221A Exam 1: 1.You want to study how effective a particular medication is at treating the flu. you plan to sample a group of...

MATH 106 Week 8 LEO Discussion Topic Exercises Version: 2015-1 Linear Programming 1. Graphically solve the following: Maximize , subject to: f 6x y 2. x y 8 3x y 0 y 0 Solve the given linear...

1.36 randomly selected BRU students were surveyed to determine how much they spend buying textbooks each semester. This sample produced an average of$1350. We are told that the standard deviation of...

Premium >= $150 Premium

Refer to the financial statements of Abercrombie & Fitch and Aeropostale that are supplied with this text. Required: 1. Determine the amounts in the accounting equation for the year ending January...

Clyde Synder owns Clydes Pets, a small retail shop selling pet supplies. On December 31, 2016, the accounting records for Clydes Pets showed the following: Inventory on December 31, 2016........$...

briefly describe the concept of environmental change in business , using bathu sneakers as an example

Answer the following independent questions with respect to traditional IRA contributions for 2014: a. Juan, age 41, earns a salary of $28,000 and is not an active participant in any other qualified...

Prepare general journal entries for the following transactions: May 22 Received a 30-day, 9% note in payment for merchandise sale of $22,000. June 21 Received $165.00 cash (interest) on the old (May...

Harvey is a self-employed accountant with earned income from the business of $120,000 (after the deduction for one-half of his self-employment tax). He has a profit sharing plan (e.g., defined...

Determine the due date for the following notes. (Assume there are 28 days inFebruary.) Date of Note Term of Note Due Date July 11 45 days 90 December 23 April 18 October 3 120 77 180 65 January 1...

Graymont Industries purchases Solvate, a chemical compound used in several of its products, from ChemMaster. ChemMaster has just increased the list price of Solvate to $6.50 per gallon. However,...

What about Coca-Cola's advertisment makes them is successful worldwide and in the soft drink industry? Is it because of its operation and management?why or why not. Write 1 paragraph at least

8. Give an example of how the scarcity principle can be used to influence others.

2. A Soviet invasion of Poland would lead to the severing of diplomatic relations between the United States and the Soviet Union.

1. Diplomatic relations between the United States and the Soviet Union would be severed in 1993 than that