Exercise

Question 9

What does "95% confidence" mean?

Instructions

50 XP

Possible answers

95% of the time the true average area of houses in Ames, Iowa, will be in this interval.

95% of random samples of size 60 will yield confidence intervals that contain the true average area of houses in Ames, Iowa.

95% of the houses in Ames have an area in this interval.

95% confident that the sample mean is in this interval.