QUESTION 3 A hardware store determined the current balances for a random sample of 100 customers with non-zero balances. The sample mean of the amount owed was $100.00 and the standard deviation was...

QUESTION 3<br>A hardware store determined the current balances for a random sample of 100 customers with non-zero balances. The sample mean of the amount<br>owed was $100.00 and the standard deviation was $25. Use the assumption that the sample standard deviation is equal to the population standard<br>deviation.<br>How many customers should be included in the sample if the desired 95% confidence interval has a desired error margin E of $2.00?<br>

Extracted text: QUESTION 3 A hardware store determined the current balances for a random sample of 100 customers with non-zero balances. The sample mean of the amount owed was $100.00 and the standard deviation was $25. Use the assumption that the sample standard deviation is equal to the population standard deviation. How many customers should be included in the sample if the desired 95% confidence interval has a desired error margin E of $2.00?

Jun 02, 2022

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QUESTION 3 A hardware store determined the current balances for a random sample of 100 customers with non-zero balances. The sample mean of the amount owed was $100.00 and the standard deviation was...

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