Homework SourseThe Montana State Education Commission wants to estimate the
| The Montana State Education Commission wants to estimate the percentage of tenth-grade students who read at or below the eighth-grade level. How large a sample should be selected in order to estimate this proportion with a 99% confidence level and a margin of error of at most 3.45%? (Assume no preliminary estimate, or p-hat, is available.) |
| The Montana State Education Commission wants to estimate the percentage of tenth-grade students who read at or below the eighth-grade level. How large a sample should be selected in order to estimate this proportion with a 99% confidence level and a margin of error of at most 3.45%? (Assume no preliminary estimate, or p-hat, is available.) |
Solution
th sample size does not change for population size greater than 20000
so for sample size to estimate proportion with 99% confidence level amd margin of error at most 3.45% is
1303
