Question
A researcher wishes to estimate the mean weekly wage of the several hundreds of workers employed
by a certain firm within plus or minus 20USD and with a 99% degree of confidence. From past
experience, the researcher knows that the weekly wages of these employees are normally distributed
with a standard deviation of 40USD. What is the minimum sample size required? [
by a certain firm within plus or minus 20USD and with a 99% degree of confidence. From past
experience, the researcher knows that the weekly wages of these employees are normally distributed
with a standard deviation of 40USD. What is the minimum sample size required? [
Answers
fadziey
1600