A standardized memory test has a mean of = 100 and a standard deviation of = 10. Answer the following questions: a. What proportion of people would score below 88 on the memory test? b. What is the percentile rank for someone who scored a 116 on the memory test? c. What are the scores that separate the middle 30% (15% on each side of the mean) d. What percent of individuals would score between 86 and 109?