| Tag | Value |
|---|---|
| file | Inferential_Statistics_uva-confidence-intervals-30-en_uva-confidence-intervals-30-en |
| name | uva-confidence-intervals-30-en |
| section | Inferential Statistics/Confidence Intervals |
| type | schoice |
| solution | TRUE, FALSE, FALSE |
| Type | Calculation |
| Language | English |
| Level | Statistical Literacy |
| IRT-Difficulty | 2.576 |
| p-value | 0.458 |
Before conducting a study, the researcher figures out that they must first must determine how many subjects are needed for a margin of error of m = 0.04 at a confidence interval of 95%, i.e., for z = 1.96, for proportion p. The proportion is estimated to be 0.20. The minimum number of subjects required for a margin of error less than or equal to 0.04 is