A group of 30 randomly selected students have a mean score of 24.6 with a standard deviation of 3.3 on a placement test. What is the 95% confidence interval for the mean score, μ, of all students taking the test?

Will mark brainliest, , and rate to only chrislaurencelle clarissa made a scale drawing of a rectangle. she used a scale factor of 3 to draw the new rectangle. how does the length of the new rectangle compare to the original? the length of the new rectangle is 3 times shorter than the original. the length of the new rectangle is 12 times shorter than the original. the length of the new rectangle is 3 times longer than the original. the length of the new rectangle is 12 times longer than the original.