The scores of high school seniors on the ACT college entrance exam in a recent yr had mean=19.2, and...


New solution updates


a) What is the approximate probability that a single student randomly chosen from all those taking the test scores 23 or higher? b) Now take an SRS of 25 students who took the test. What are the mean and standard deviation of the sample mean score of the 25 students? c) what is the approximate probabi... May 06 2012 05:36 PM


Solution ID:608846 | This paper was updated on 26-Nov-2015

Price : $24