A biology professor claims that, on the average, 15% of her students get a grade of A, 25% get a B, and 35% get a C, 10% get a D, and 15% get an F. The grades of a random sample of 116 students were recorded. The following table presents the results. Grade 1 - 13 Grade 2- 33 Grade 3- 51 Grade 4- 4 Grade 5- 15 How many degrees of freezing are there? 6 5 4 14

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