Grade Distributions Use Table 16 to answer the following questions:
(a) What percentage of the students in the 9 a.m. class have grades of C or less?
(b) What percentage of the 10 a.m. class have grades of C or less?
(c) What percentage of the 9 a.m. class have grades of D or F?
(d) What percentage of the students in both classes combined have grades of C or better?
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