Which type of confidence interval should you use in this situation? A sample of 400 racing cars showed that 80 cars cost over $700,000. Find the 99% confidence interval of the true proportion of racing cars costing over $700,000. Question 3 options: 1) a confidence interval for the mean using a table value from the standard normal distribution. 2) a confidence interval for the mean using a table value from the t distribution. 3) a confidence interval for a proportion using a table value from the standard normal distribution. 4) a confidence interval for proportion using a table value from the t distribution. 5) none of the above.
Which type of confidence interval should you use in this situation? A sample of 400 racing cars showed that 80 cars cost over $700,000. Find the 99% confidence interval of the true proportion of racing cars costing over $700,000. Question 3 options: 1) a confidence interval for the mean using a table value from the standard normal distribution. 2) a confidence interval for the mean using a table value from the t distribution. 3) a confidence interval for a proportion using a table value from the standard normal distribution. 4) a confidence interval for proportion using a table value from the t distribution. 5) none of the above.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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Which type of confidence interval should you use in this situation? A sample of 400 racing cars showed that 80 cars cost over $700,000. Find the 99% confidence interval of the true proportion of racing cars costing over $700,000.
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