Question: Visual sequential memory and poor spellers. Holmes, Malone, and Redenbach (2008) found that good readers and good spellers correctly read 93.8 ± 2.9 (M ± SD) words from a spelling list. On the other hand, average readers and poor spellers correctly read 84.8 ± 3.0 (M ± SD) words from the same spelling list. Assuming these data are normally distributed,
(a) What percentage of participants correctly read at least 90 words in the good readers and good spellers group?
(b) What percentage of participants correctly read at least 90 words in the average readers and poor spellers group?