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A fitness center is interested in finding a 90% confidence interval for the mean number of days per week that Americans who are members of a fitness club go to their fitness center. Records of 220 members were looked at and their mean number of visits per week was 2.4 and the standard deviation was 2.1. Round your answers to four decimal places. A. The sampling distribution follows a B. With 90% confidence the population mean number of visits per week is between and distribution. visits.

A fitness center is interested in finding a 90% confidence interval for the mean number of days per week that Americans who are members of a fitness club go to their fitness center. Records of 220 members were looked at and their mean number of visits per week was 2.4 and the standard deviation was 2.1. Round your answers to four decimal places. A. The sampling distribution follows a B. With 90% confidence the population mean number of visits per week is between and distribution. visits.

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 19PFA
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C. If many groups of 220 randomly selected members are studied, then a different confidence interval would be produced from each group. percent of these confidence intervals will contain the true population mean number of visits per week and about percent will not contain the true population mean About number of visits per week. Σ th SAMSUNG
Transcribed Image Text:C. If many groups of 220 randomly selected members are studied, then a different confidence interval would be produced from each group. percent of these confidence intervals will contain the true population mean number of visits per week and about percent will not contain the true population mean About number of visits per week. Σ th SAMSUNG
A fitness center is interested in finding a 90% confidence interval for the mean number of days per week that Americans who are members of a fitness club go to their fitness center. Records of 220 members were looked at and their mean number of visits per week was 2.4 and the standard deviation was 2.1. Round your answers to four decimal places. A. The sampling distribution follows a B. With 90% confidence the population mean number of visits per week is between and distribution. M visits. th 0
Transcribed Image Text:A fitness center is interested in finding a 90% confidence interval for the mean number of days per week that Americans who are members of a fitness club go to their fitness center. Records of 220 members were looked at and their mean number of visits per week was 2.4 and the standard deviation was 2.1. Round your answers to four decimal places. A. The sampling distribution follows a B. With 90% confidence the population mean number of visits per week is between and distribution. M visits. th 0
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