Suppose you are a sales analyst at a large company. You want to conduct a survey that will gather information on the income of your consumers. Suppose that you know that the population has an average of $64,060.78 with a standard deviation o $7,648.56 for income. If you wanted to design a survey such that the standard deviation of the sample mean would not exceed $800, what would be the smallest sample size to achieve this? Round your sample size up to the nearest customer. You would need to sample 74 customers for your survey. You would need to sample 92 customers for your survey. You would need to sample 10 customers for your survey. You would need to sample 85 customers for your survey. You would need to sample 66 customers for your survey.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Suppose you are a sales analyst at a large company. You want to conduct a survey
that will gather information on the income of your consumers. Suppose that you
know that the population has an average of $64,060.78 with a standard deviation of
$7,648.56 for income. If you wanted to design a survey such that the standard
deviation of the sample mean would not exceed $800, what would be the smallest
sample size to achieve this? Round your sample size up to the nearest customer.
You would need to sample 74 customers for your survey.
You would need to sample 92 customers for your survey.
You would need to sample 10 customers for your survey.
You would need to sample 85 customers for your survey.
You would need to sample 66 customers for your survey.
Transcribed Image Text:Suppose you are a sales analyst at a large company. You want to conduct a survey that will gather information on the income of your consumers. Suppose that you know that the population has an average of $64,060.78 with a standard deviation of $7,648.56 for income. If you wanted to design a survey such that the standard deviation of the sample mean would not exceed $800, what would be the smallest sample size to achieve this? Round your sample size up to the nearest customer. You would need to sample 74 customers for your survey. You would need to sample 92 customers for your survey. You would need to sample 10 customers for your survey. You would need to sample 85 customers for your survey. You would need to sample 66 customers for your survey.
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