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aking the family to an amusement park has become ncreasingly costly according to the industry publication amusement Business, which provides figures on the cost for a amily of four to spend the day at one of America's musement parks. A random sample of 25 families of four that ttended amusement parks yielded a sample mean of $232 nd sample standard deviation of $42. A. What is the best point estimate for the average (mean) cost for a family of four to spend the day at an American amusement park? Round your answer to the nearest dollar. Point estimate: $ B. Obtain a 95% confidence interval for the mean cost for a family of four to spend the day at an American amusement park? Round your lower and upper limits to the nearest dollar. Confidence interval: $ to $ C. What is the margin of error for the 95% confidence interval found in part B? Round answer to the nearest

aking the family to an amusement park has become ncreasingly costly according to the industry publication amusement Business, which provides figures on the cost for a amily of four to spend the day at one of America's musement parks. A random sample of 25 families of four that ttended amusement parks yielded a sample mean of $232 nd sample standard deviation of $42. A. What is the best point estimate for the average (mean) cost for a family of four to spend the day at an American amusement park? Round your answer to the nearest dollar. Point estimate: $ B. Obtain a 95% confidence interval for the mean cost for a family of four to spend the day at an American amusement park? Round your lower and upper limits to the nearest dollar. Confidence interval: $ to $ C. What is the margin of error for the 95% confidence interval found in part B? Round answer to the nearest

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 7PPS
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Taking the family to an amusement park has become increasingly costly according to the industry publication Amusement Business, which provides figures on the cost for a family of four to spend the day at one of America's amusement parks. A random sample of 25 families of four that attended amusement parks yielded a sample mean of $232 and sample standard deviation of $42. A. What is the best point estimate for the average (mean) cost for a family of four to spend the day at an American amusement park? Round your answer to the nearest dollar. Point estimate: $ B. Obtain a 95% confidence interval for the mean cost for a family of four to spend the day at an American amusement park? Round your lower and upper limits to the nearest dollar. Confidence interval: $ to $ C. What is the margin of error for the 95% confidence interval found in part B? Round answer to the nearest
Transcribed Image Text:Taking the family to an amusement park has become increasingly costly according to the industry publication Amusement Business, which provides figures on the cost for a family of four to spend the day at one of America's amusement parks. A random sample of 25 families of four that attended amusement parks yielded a sample mean of $232 and sample standard deviation of $42. A. What is the best point estimate for the average (mean) cost for a family of four to spend the day at an American amusement park? Round your answer to the nearest dollar. Point estimate: $ B. Obtain a 95% confidence interval for the mean cost for a family of four to spend the day at an American amusement park? Round your lower and upper limits to the nearest dollar. Confidence interval: $ to $ C. What is the margin of error for the 95% confidence interval found in part B? Round answer to the nearest
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