What is the minimum sample size required to estimate a population mean with 90% confidence when the desired margin of er
Posted: Wed Jul 06, 2022 12:09 pm
What is the minimum sample size required to estimate a population mean with 90% confidence when the desired margin of error is E = 3? The population standard deviation is known to be 23.56. A. 120 B. 167 C. 211 D. 522