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An automotive manufacturer wants to know the proportion of new car buyers who prefer foreign cars over domestic. Step 1 of 2: Suppose a sample of 390 new car buyers is drawn. Of those sampled, 105 preferred foreign over domestic cars. Using the data, estimate the proportion of new car buyers who prefer foreign cars. Enter your answer as a fraction or a decimal number rounded to three decimal places. Answer(How to Enter) 2 Points 田 Tables E Keypad An automotive manufacturer wants to know the proportion of new car buyers who prefer foreign cars over domestic. Step 2 of 2: Suppose a sample of 390 new car buyers is drawn. Of those sampled, 105 preferred foreign over domestic cars. Using the data, construct the 80 % confidence interval for the population proportion of new car buyers who prefer foreign cars over domestic cars. Round your answers to three decimal places. Answer(How to Enter) 2 Points 画 Tables Keypad Lower endpoint: Upper endpoint:

An automotive manufacturer wants to know the proportion of new car buyers who prefer foreign cars over domestic. Step 1 of 2: Suppose a sample of 390 new car buyers is drawn. Of those sampled, 105 preferred foreign over domestic cars. Using the data, estimate the proportion of new car buyers who prefer foreign cars. Enter your answer as a fraction or a decimal number rounded to three decimal places. Answer(How to Enter) 2 Points 田 Tables E Keypad An automotive manufacturer wants to know the proportion of new car buyers who prefer foreign cars over domestic. Step 2 of 2: Suppose a sample of 390 new car buyers is drawn. Of those sampled, 105 preferred foreign over domestic cars. Using the data, construct the 80 % confidence interval for the population proportion of new car buyers who prefer foreign cars over domestic cars. Round your answers to three decimal places. Answer(How to Enter) 2 Points 画 Tables Keypad Lower endpoint: Upper endpoint:

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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An automotive manufacturer wants to know the proportion of new car buyers who prefer foreign cars over domestic. Step 1 of 2: Suppose a sample of 390 new car buyers is drawn. Of those sampled, 105 preferred foreign over domestic cars. Using the data, estimate the proportion of new car buyers who prefer foreign cars. Enter your answer as a fraction or a decimal number rounded to three decimal places. Answer(How to Enter) 2 Points 田 Tables E Keypad
Transcribed Image Text:An automotive manufacturer wants to know the proportion of new car buyers who prefer foreign cars over domestic. Step 1 of 2: Suppose a sample of 390 new car buyers is drawn. Of those sampled, 105 preferred foreign over domestic cars. Using the data, estimate the proportion of new car buyers who prefer foreign cars. Enter your answer as a fraction or a decimal number rounded to three decimal places. Answer(How to Enter) 2 Points 田 Tables E Keypad
An automotive manufacturer wants to know the proportion of new car buyers who prefer foreign cars over domestic. Step 2 of 2: Suppose a sample of 390 new car buyers is drawn. Of those sampled, 105 preferred foreign over domestic cars. Using the data, construct the 80 % confidence interval for the population proportion of new car buyers who prefer foreign cars over domestic cars. Round your answers to three decimal places. Answer(How to Enter) 2 Points 画 Tables Keypad Lower endpoint: Upper endpoint:
Transcribed Image Text:An automotive manufacturer wants to know the proportion of new car buyers who prefer foreign cars over domestic. Step 2 of 2: Suppose a sample of 390 new car buyers is drawn. Of those sampled, 105 preferred foreign over domestic cars. Using the data, construct the 80 % confidence interval for the population proportion of new car buyers who prefer foreign cars over domestic cars. Round your answers to three decimal places. Answer(How to Enter) 2 Points 画 Tables Keypad Lower endpoint: Upper endpoint:
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