# You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=38.8σ=38.8. You would like to be 90% confident that your estimate is within 10 of the true population mean. How large of a sample size is required? Round up to nearest whole number.n =

Question
Asked Nov 23, 2019
98 views

You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=38.8σ=38.8. You would like to be 90% confident that your estimate is within 10 of the true population mean. How large of a sample size is required? Round up to nearest whole number.

n =

check_circle

## Expert Answer

### Want to see the full answer?

See Solution

#### Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in