Exhibit 21-3 From a Population of Size 600, a Simple Random Sample

question 59

Multiple Choice

Exhibit 21-3
From a population of size 600, a simple random sample of size 58 is selected. The sample mean is 400, and the sample standard deviation is 40.
-Refer to Exhibit 21-3. An approximate 95% confidence interval for the population total is

• A)350,000 to 450,000
• B)234,010 to 245,990
• C)350 to 400
• D)390 to 409

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