Question: Example 3.2 Refer back to Example 3.1. a] Determine the smallest sample size that would ensure at least a 90% chance that the sample mean

Example 3.2 Refer back to Example 3.1. a] Determine the smallest sample size that would ensure at least a 90% chance that the sample mean income is within $500 of the population mean income. b) Determine the smallest sample size that would ensure at least a 95% chance that the sample mean income is within $30!? of the population mean income

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