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Company, Karmel Corn, ROCky tup costs are given below. Assume he population of x values has an approximately normal distribution. 94 180 125 96 75 94 116 100 85 n USE SALT (a) Use a calculator with mean and sample standard deviation keys to find the sample mean startup cost and sample standard deviation s. (Round your answers to four decimal places.) thousand dollars thousand dollars (b) Find a 90% confidence interval for the population average startup costs µ for candy store franchises. (Round your answers to one decimal place.) lower limit thousand dollars upper limit thousand dollars

Company, Karmel Corn, ROCky tup costs are given below. Assume he population of x values has an approximately normal distribution. 94 180 125 96 75 94 116 100 85 n USE SALT (a) Use a calculator with mean and sample standard deviation keys to find the sample mean startup cost and sample standard deviation s. (Round your answers to four decimal places.) thousand dollars thousand dollars (b) Find a 90% confidence interval for the population average startup costs µ for candy store franchises. (Round your answers to one decimal place.) lower limit thousand dollars upper limit thousand dollars

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter5: A Survey Of Other Common Functions
Section5.3: Modeling Data With Power Functions
Problem 6E: Urban Travel Times Population of cities and driving times are related, as shown in the accompanying...
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Do you want to own your own candy store? Wow! With some interest in running your own business and a decent credit rating, you can probably get a bank loan on startup costs for franchises such as Candy Express, The Fudge Company, Karmel Corn, and Rocky Mountain Chocolate Factory. Startup costs (in thousands of dollars) for a random sample of candy stores are given below. Assume that the population of x values has an approximately normal distribution. 94 180 125 96 75 94 116 100 85 n USE SALT (a) Use a calculator with mean and sample standard deviation keys to find the sample mean startup cost x and sample standard deviation s. (Round your answers to four decimal places.) X = thousand dollars S = thousand dollars (b) Find a 90% confidence interval for the population average startup costs u for candy store franchises. (Round your answers to one decimal place.) lower limit thousand dollars upper limit thousand dollars
Transcribed Image Text:Do you want to own your own candy store? Wow! With some interest in running your own business and a decent credit rating, you can probably get a bank loan on startup costs for franchises such as Candy Express, The Fudge Company, Karmel Corn, and Rocky Mountain Chocolate Factory. Startup costs (in thousands of dollars) for a random sample of candy stores are given below. Assume that the population of x values has an approximately normal distribution. 94 180 125 96 75 94 116 100 85 n USE SALT (a) Use a calculator with mean and sample standard deviation keys to find the sample mean startup cost x and sample standard deviation s. (Round your answers to four decimal places.) X = thousand dollars S = thousand dollars (b) Find a 90% confidence interval for the population average startup costs u for candy store franchises. (Round your answers to one decimal place.) lower limit thousand dollars upper limit thousand dollars
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