Question 8 /1 The SCT is a standardized test with a known normal distribution having a mean of 18 and a standard deviation of 3. a) What

please help this is statistics homework and I'm not sure how to calculate the answer for this chapter homework problem...........

Question 8 "/1 The SCT is a standardized test with a known normal distribution having a mean of 18 and a standard deviation of 3. a) What percentile would a score of 12 be? ‘ : percentile. b) What percentile would a score of 20 be? ' c percentile. c) What score corresponds to the 85th percentile? Score = l, 3 l .eTextbook and Media Attempts: O of 2 used Check AnswerSend to Gradebouk ( Prev