An anatomy teacher hypothesizes that the final grades in her class are distributed as 10% A's,...

An anatomy teacher hypothesizes that the final grades in her class are distributed as

10% A's, 23% B's, 45% C's, 14% D's, and 8% F's. At the end of the semester, she has the following grades.

A 12B 20C 25D 13F 5

Test her claim at 1% significance level.

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