CI for Difference in Two Proportions
In a taste test about organic vs. non-organic strawberries, 37 out of 81 females correctly identified the organic strawberries, whereas 31 out of 99 males correctly identified the organic strawberries.
Find a 94% confidence interval around the difference in the proportion of females who correctly identified the organic strawberries and males who correctly identified the organic strawberries. Round answers to the nearest thousandth.
Which of the following is a correct interpretation of the interval from above?
The difference in the proportion of females and males who correctly identified the organic strawberries is between the given values, 94% of the time.
With 94% confidence, the difference in the proportion of females and males who correctly identified the organic strawberries is between the given values.
There is a 94% chance that the difference in the proportion of females and males who correctly identified the organic strawberries in a sample of people will be in the given interval.
There is a 94% chance that the difference in the population proportion of females and males who correctly identified the organic strawberries is between the given values.