The distribution of grades in a large statistics course is: a. To calculate stud

Question

The distribution of grades in a large statistics course is:

a. To calculate student grade point averages, grades are expressed in a numerical scale with A = 4, B = 3, and so on down to F = 0.

Fill in the blank:

The value of the average grade in the course is ___.

b. To simulate choosing students at random and recording their grades, which of the following is the correct assignment of digits? 0: A, 2-4: B, 5-7: C: 8-9: D 0: A, 1-4: B, 5-7: C: 8:D, 9:F 0: A, 1-3: B, 4-7: C: 8:D 9:F
Grade: Probability: 0.1 0.4 0.3 0.1 0.1

Explanation / Answer

value of the average grade in the course is=4*0.1+0.4*3+0.3*2+0.1*1+0.1*0=2.3

correct assignment of digits :a s per their probabilty ratio

0: A, 1-4: B, 5-7: C: 8:D, 9:F

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