You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standa
Posted: Wed Jul 06, 2022 12:23 pm
You want to obtain a sample to estimate a population mean. Basedon previous evidence, you believe the population standard deviationis approximately σ=48.2σ=48.2. You would like to be 95%confident that your esimate is within 10 of the true populationmean. How large of a sample size is required?n =
Hint: Shouldn't the answer be a WHOLE NUMBER.
Do not round mid-calculation. However, use a critical valueaccurate to three decimal places — this is important for the systemto be able to give hints for incorrect answers
Hint: Shouldn't the answer be a WHOLE NUMBER.
Do not round mid-calculation. However, use a critical valueaccurate to three decimal places — this is important for the systemto be able to give hints for incorrect answers