Use the given information to find the minimum sample size required to estimate an unknown population mean μ. How many adults must be randomly selected to estimate the mean FICO (credit rating) score of working adults in a country? We want 90%confidence that the sample mean is within 4 points of the population mean, and the population standard deviation is 62. What is the minimum sample size required (Round up to the nearest whole number.)
Use the given information to find the minimum sample size required to estimate an unknown population mean μ. How many adults must be randomly selected to estimate the mean FICO (credit rating) score of working adults in a country? We want 90%confidence that the sample mean is within 4 points of the population mean, and the population standard deviation is 62. What is the minimum sample size required (Round up to the nearest whole number.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Use the given information to find the minimum sample size required to estimate an unknown population mean
μ.
How many adults must be randomly selected to estimate the mean FICO (credit rating) score of working adults in a country? We want 90%confidence that the sample mean is within 4 points of the population mean, and the population standard deviation is 62.
What is the minimum sample size required
(Round up to the nearest whole number.)
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