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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 B C D F

6 14 22 8 4

Find the critical value. Use alpha= 0.05

A) 9.236

B) 7.779

C) 11.070

D) 9.488

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Statistics and Probability, Statistics

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